Abstract: A sheet-like hair care product including (A) a substrate sheet containing cellulosic fibers and having a bending resistance of 10 to 70 mm measured by the 45° cantilever method in accordance with JIS L1096:2010 and (B) a liquid cosmetic composition. The substrate sheet (A) is impregnated with 1 to 50 g of the liquid cosmetic composition (B). The substrate sheet impregnated with the liquid cosmetic composition is preferably packaged in a packaging container having an access opening with an area of 25 to 4000 mm2 and an openable and closable lid sealing the contents.

Abstract: A dental cleaning tool includes a body portion defining a longitudinal axis of the dental cleaning tool. The body portion includes a floss assembly including a first arm and a second arm extending substantially perpendicularly relative to the longitudinal axis, a receiving slot formed in the first arm, and a shield formed on the first arm. The shield is configured to cover the receiving slot such that access to the receiving slot is restricted from a first direction. The tool also includes a secondary cleaning tool coupled to the first arm. The secondary cleaning tool is pivotable relative to the first arm in at least two degrees of freedom such that the secondary cleaning tool is insertable into the receiving slot from a second direction different than the first direction.

Abstract: Provided is a gel nail sticker including: a lower laminated part which is a part directly attached to a nail or a toenail, and has a color or a pattern, and is formed of a flexible material to correspond to a curved surface of the nail or the toenail; and an upper laminated part which is a transparent coated layer positioned on the lower laminated part and providing glossiness to a color or a pattern of the lower laminated part, and is in a flexible semi-solid state to correspond to the curved surface of the nail or the toenail before being attached to the nail or the toenail, and is cured to a solid state while maintaining a form attached to the nail or the toenail when an ultraviolet ray is irradiated to the upper laminated part after the upper laminated part is attached to the nail or the toenail.

Abstract: A device adapted for brushing and flossing each of a user's teeth simultaneously is disclosed. Many methods and modes for the device's use are also set forth. In some embodiments, the device is custom-fitted to each user, based on molds, impressions or other 3-dimensional imaging techniques, allowing for a more effective, rapid brushing experience. Customized flossing lines, comprising a wide variety of materials and cleansing products, are set forth in exemplary detail. A specialized handle is set forth, configured for maintaining easy access to controls while leaving the device in place in a user's mouth while cleaning, hands-free.

Abstract: A method of establishing virtual makeup data, an electronic device and a non-transitory computer readable storage medium are provided. The method includes: adjusting a scope of the makeup face in the first image to match a predetermined face scope in a predetermined image; defining a plurality of areas on the adjusted makeup face, and each of the areas corresponds to a makeup category; capturing a plurality of first makeup features of at least one of the target makeup category in the makeup category; comparing the first makeup features with a plurality of second makeup features in the database whose target makeup category are same; adding a first makeup pattern including the first makeup features to the target makeup category of the database when the first makeup feature is different from the second makeup feature.

Abstract: An improved leakage testing device for attachment to a flexible wall of an item to be tested is provided with a film (4) that limits a hollow chamber (1) on the outer side of the item to be tested and with a leakage (2), said film (4) being designed to adhere to the item to be tested.

Abstract: A cutting element for a cutting head for a device for cutting hair is disclosed. A laser beam is directed across a cutting zone, in the cutting head, substantially parallel to a user's skin. The laser beam has an effective cutting region in which the laser beam is of a sufficient intensity to cut hair entering said region. The cutting element has a guard adjacent to the cutting zone to contact a user's skin and space the laser beam there from. The guard has a non-planar shape in a direction extending across the cutting zone so that it substantially follows the contours of an edge of the effective cutting region of the laser beam to reduce any variation in the distance between the edge of the effective cutting region and the user's skin across the length of the cutting zone.

Abstract: A method of developing an automatic control plan for printing on a contoured surface is disclosed. The method includes scanning a contoured surface with a surface scanning device to produce a contoured data set, and creating a multi-dimensional model, with a computing device, of the contoured surface based on the contoured surface data set. Additionally, the method includes inputting a multi-dimensional model of a printing array and an image to be printed onto the contoured surface, into the computing device. The method further includes simulating, on the computing device, a plurality of movements performed by the printing array and a printing by the printing array to apply the image on the contoured surface. Additionally, the method includes, compiling, on the computing device, the automatic control plan which is programmed to execute the plurality of movements of the printing array to apply the image on the contoured surface.

Abstract: Disclosed herein are novel devices for the organization and treatment of hair extensions. Devices incorporating features of the present disclosure include objects that can securely hold one or more hair extensions and organize them such that a hairstylist can easily keep track of the various hair extensions and where they are to be placed into a client's existing hair. In some embodiments, the devices comprise a shape similar to that of the human head, providing a convenient visual cue as to the intended placement of a connected hair extension to a client's existing hair. Devices according to the present disclosure can also comprise various connection structures for further securing and organization of connected hair extensions.

Abstract: A drawing device includes: an object placing part on which an object is placed, the object being a finger or a toe having a nail; a direction detection unit configured to detect an extended direction of a streaky pattern naturally-existing on a surface of the nail based on the image including the nail of the object placed on the object placing unit; an image processing unit configured to adjust a direction of a nail design based on the extended direction of the streaky pattern detected by the direction detection unit; and a nail design forming unit configured to form the nail design which is adjusted by the image processing unit on the nail.

Abstract: A position indicator assembly, including first and second positioning units, is attached to a pair of shoes in positions which are spaced when the shoes are aligned together. Each positioning unit includes a first proximity switch element, at least one indicator, a battery and a second proximity switch element. The battery is electrically connected to the indicator when the first proximity switch element of one of the first and second position units is arranged a predetermined, spaced distance from the second proximity switch element of the other of the first and second positioning units in order to provide a visual and/or audible indication to a wearer that the pair of shoes are on the correct feet.

Abstract: A cosmetic applicator including: a cosmetic supply mechanism; a bearing member to carry the cosmetic supply mechanism; a housing for forming a closed cavity together with bearing member to enclose the cosmetic supply mechanism disposed therein, the housing and the bearing member being designed to be connected edge to edge. The bearing member and the housing respectively have a first connection part and a second connection part for magnetic connection, and the first connection part and the second connection part is positioned respectively at the end of the bearing member and of the housing; and the cosmetic applicator includes a elastomeric gasket, and the first connection part, second connection part and elastomeric gasket are configured so the elastomeric gasket can be extruded to deform and fill a gap between the ends of the housing and the bearing member when the ends are mutually attracted, thereby achieving the sealing effect.

Abstract: A method for delivering one or more active agents to mammalian hair using a nonwoven web of filaments containing one or more hair care active agents that are releasable from the filaments is provided.

Abstract: An applicator device includes a photo-active formulation assembly and a photo-dose assembly operably coupled to the photo-active formulation assembly. The photo-active formulation assembly includes a dispenser portion and one or more photo-activatable formulation reservoirs. The photo-active formulation assembly is operable to dispense a photo-activatable formulation from the one or more photo-activatable formulation reservoirs onto one or more regions of a biological surface. The photo-dose assembly includes at least one illuminator oriented to focus electromagnetic energy onto one or more focal regions of a biological surface. The focused electromagnetic energy is of a character and for a duration sufficient to photo-activate the photo-activatable formulation dispensed from the one or more photo-activatable formulation reservoirs.

Abstract: A nail printing apparatus is provided, which does not require a user to manipulate button operation to set user's finger or user's toe or start an image drawing operation. The apparatus provided with an image drawing unit for drawing an image on a nail of a finger or a nail of a toe and an elevation mechanism having a placing unit on which the finger or the toe is placed. The elevation mechanism moves the placing unit from a stand-by position up to an image drawing position. When the placing unit is at the stand-by position, the user can insert user's finger or user's toe into or remove user's finger or user's toe from the apparatus. When at the image drawing position, the image drawing unit can draw an image on the nail of the finger. An elevation controlling unit controls the operation of the elevation mechanism in response to an operation of the finger or the toe placed on the placing unit, pressing the same downward.

Abstract: A flexible under-nail support device and method to apply the same that promotes long healthy fingernail growth by providing nail strength and support without any interaction or damage to the nail plate (upper nail) or the hyponychium (thickened epidermis under the nail). The device has an indention, with a preferred embodiment of an inverted V that is positioned under the fingernail and around the hyponychium. Its lateral sides are bonded to at least the nails' lateral undersides to provide extra strength to the nail. The bonded device is then clipped and filed to the natural nails length. The method includes healthy easy device removal and support replacement. As the nail grows, the process of attaching and removing supports is repeated and over time results in strong, long, healthy, aesthetically pleasing nails. For immediate nail lengthening, the device may be used as scaffolding with other technologies mitigating their respective health hazards.

Abstract: A hair implant includes at least two strands including at least one of mammalian hair and synthetic hair; and an anchor, which: (a) includes silicone, (b) is configured for subcutaneous implantation, (c) includes a fracture line configured to facilitate fracturing of the anchor along the fracture line for ease of removal of the implant after subcutaneous implantation, and (d) is configured to provide a scaffold for collagen growth after subcutaneous implantation, wherein at least one of the at least two strands is joined to the anchor on one side of the fracture line and at least one of the at least two strands is joined to the anchor on an opposite side of the fracture line such that each fragment formed by fracturing the implant includes at least one of the at least two strands. Looped implants, a hair restoration method and an implant manufacturing method are also disclosed.

Abstract: A disposable needle hair transplanter includes: a plunger structure having an outer barrel defining a passage, a plunger assembly having at least one push needle movable within the passage of the outer barrel, and a hair transplantation depth controller drivingly connected with the plunger assembly via a link; a needle having a needle seat connected with the outer barrel and at least one needle tube in which a hair follicle is loadable, the hair transplantation depth controller serving to restrict the depth by which the needle tube is thrust into the scalp; and a hair follicle depth controller having a cylindrical structure fitted around the needle seat and a shaft tube connected with the cylindrical structure and coaxially disposed around the needle tube. The hair transplantation depth controller is disposed around the shaft tube and movable along the shaft tube toward or away from the scalp.

Abstract: A device for supporting eyelash extensions during the use thereof. The device includes an articulatable support having a first connector proximate a first end. The device includes a base coupled to a second end of the articulatable support. The base includes a coupling structure. The articulatable support is selectably coupled to the base. The device for supporting eyelash extensions includes a display platform selectably coupled to the base by operation of the coupling structure thereof. The display platform includes a recess and an array of arches each tilted with respect to the display platform shaped and sized to support eyelash extensions. The array of arches are differently sized. The array of arches have a smooth and hard outer surface.

Abstract: A drawing device includes: a finger holding case including a plurality of walls (a bottom wall, left and right sidewalls, a rear wall, and a top wall) surrounding a finger insertion opening into which a finger having a nail to be drawn on is inserted as well as an opening exposing the nail and a finger presser to which a fluid is supplied in order prevent movement of the finger by applying pressure between the finger and the finger holding case and from which the fluid is discharged to stop applying pressure. When the finger presser is not preventing movement of the finger, one of the walls (the top wall or the bottom wall) of the finger holding case moves in order to expand a space between the finger holding case and the finger.

Abstract: The system includes a hair color packet assembly having several individual hair color packets and one developer packet, each packet having a pump for delivering selected amounts of material to a mixing assembly. A control assembly operable in response to a user's input controls each of the pumps to deliver selected amounts of color material and developer material to a mixing assembly which mixes the colors and the developer and delivers it to a brushhead/distributor, which has openings through which the selected hair color formulation is delivered. The brushhead/distributor is mountable in a handle having a motor which drives the brushhead/distributor in a linear oscillating manner.

Abstract: A drawing apparatus includes an object receiver into which an object is inserted, the object being at least one finger or toe having a nail to be drawn, an object holder that is configured to hold the object inserted into the object receiver and processor. The processor is configured to adjust a holding level by the object holder on the basis of a size of the object.

Abstract: A drawing apparatus includes a drawing unit that forms a nail design on a nail of an object by performing a plurality of processes and a processor that extracts a feature value of the object and controls the drawing unit. The processor acquires information on a performed process with respect to the nail of one object, whose nail is provided to be formed with the nail design, based on process management information in which the feature value with respect to each of a plurality of the objects and an information on the performed process with respect to the nail of each of the plurality of the objects are registered in association with each other and the feature value with respect to the one object, and determines a specific process to be performed to the nail of the one object, and causes the drawing unit to perform the specific process.

Abstract: A drawing apparatus is provided by which quality of a predetermined degree or higher can be preserved in cases of drawing a nail design on a nail; and a drawing method for the drawing apparatus. The drawing apparatus includes a reference plane on which a finger or toe having a nail is mounted; a drawing unit (40) that draws a nail design on a drawable area in the nail; a nail height detection portion (814) that detects a distribution of height from the reference plane within a surface of the nail, on the basis of an image obtained by imaging the nail; and a design determination portion (815) that determines the suitability of drawing the nail design on the surface of the nail by the drawing unit (40), on the basis of the drawable area based on the distribution by the nail height detection portion (814).

Abstract: A drawing apparatus includes an object mounting portion on which an object is mounted, the object being at least one finger or toe having a nail, and a processor. The processor detects an actual outline, which indicates an actual shape of an outer periphery of the nail, based on an image obtained by imaging the nail of the object mounted on the object mounting portion; creates an interpolation outline with respect to the actual outline other than a root portion of the nail, from the image, wherein the interpolation outline is an outline in which the actual outline is interpolated to eliminate a concavity in cases where the actual outline other than the root portion of the nail has the concavity; and determines whether or not the nail has a damaged portion on the basis of a comparison of the interpolation outline with the actual outline.

Abstract: A system including apparatus for applying a design to a nail surface, including an optical device scanning the anatomy of the nail surface and acquiring an image of said nail surface;—a print head;—a motor displacing the print head;—a control unit including connection to communicate with the optical device, and a computer application including instructions for controlling the motor to direct the print head. At least one remote server includes a database recording digital data corresponding to designs. The control unit communicates with the remote server and downloads digital data corresponding to the design to be applied on the nail surface. The control unit's computer application includes instructions to—analyze the anatomy of the nail surface scanned by the optical device;—and scale the design to be applied to adjust it to the nail surface scanned.

Abstract: A drawing apparatus includes an object insertion portion into which an object is inserted, the object being at least one finger or toe having a nail, a plurality of pressing units which apply pressing forces to the object inserted in the object insertion portion to hold the object in the object insertion portion and a processor which controls the pressing forces applied by the plurality of pressing units respectively to adjust an inclination in a width direction of the nail of the object inserted in the object insertion portion.

Abstract: Systems and methods for applying cosmetics are provided using an area light projector shining light on the face, capturing the reflected light using a camera and using a depth processor, and communicating with the camera(s) and the projector(s) to generate a depth image output. A control device communicates with the depth processor to receive the output, to receive the face profiles and generate motion trajectory commands, and a robot communicates with the control device to receive the commands to apply the cosmetics to the face in accordance with the face profiles. Methods for applying the cosmetics include receiving a face profile, receiving a depth processor input representing a face, extracting face features, receiving an initial robot position or extracting a robot position from input, matching the face profile to the face features, and generating and outputting robot trajectory to the robot to apply the cosmetics.

Abstract: A drawing apparatus includes a mounting section where an object having a nail is mounted, and an inclination detection unit that detects a degree of an inclination of the nail in a width direction of the nail with respect to a reference state of the nail based on a shape of at least one target image along the width direction of the object, the target image being formed on the object.

Abstract: A drawing apparatus is provided with a drawing unit which applies a drawing on a nail of a subject which is a finger or a toe; and a control unit which controls operation of the drawing unit. The control unit extracts a first feature part in a first area which is inside area of a first subject outline of the subject in a first subject image acquired by imaging the subject after a first drawing has been applied on the nail, acquires a position of the nail in the first subject image on the basis of the first feature part and a second feature part which is extracted in a second area which is inside area of a second subject outline of a second subject image except an area of the nail, the second subject image is acquired by imaging the subject which the drawing has not been applied; and controls a drawing position of the drawing unit when the drawing unit applies a second drawing on the nail after the first subject image is acquired, on the basis of the position of the nail in the first subject image.

Abstract: New bite-activated dental hygiene devices are provided. In one aspect, a high-speed tooth-cleaning device is provided, which is configured to be bitten down on by a user and which, when properly positioned, scrubs and flosses all of the user's teeth at once, without user-driven brushing. In other aspects of the invention, a device comprises bite-actuated tooth- and gum-brushing channels and other features facilitating the variable bite-actuated release and application of a dentifrice and scrubbing.

Abstract: A drawing device includes: a mounting unit having a mounting surface on which a finger or a toe having a nail is placed; a drawing unit configured to draw at least one specific line on the nail placed on the mounting surface from a first direction; and a nail shape detection unit configured to acquire a specific picture by imaging the specific line from a second direction different from the first direction and to detect a curved shape of the nail in a width direction of the nail based on a shape of the specific line along the width direction in the specific picture.

Abstract: Systems and methods for applying cosmetics are provided using an incoherent light projector shining light on the face, capturing the reflected light using a camera and the projector, communicating with the camera and the projector and a structured light depth processor to generate a depth image output. A control device communicates with the structure light depth sensor to receive the output, to receive the face profiles and generate motion trajectory commands, and a robot communicates with the control device to receive the commands to apply the cosmetics to the face in accordance with the face profiles. Methods for applying the cosmetics include receiving a face profile, receiving a depth sensor input representing a face, extracting face features, matching the face profile to the face features, and generating a guide or outputting robot trajectory to apply the cosmetics.

Abstract: A nail printing apparatus is provided with a controlling unit for acquiring an end position on a tip side of a nail of a finger based on image data of an image of the finger, wherein the finger includes the nail having a nail tip portion and a nail back portion whose color is darker than a color of the nail tip portion. The controlling unit acquires luminance difference values which are difference in two of luminance values adjacent to each other in the image data, acquires a reference position where the luminance difference values represent a extreme value corresponding to a difference value between color of the nail tip portion and the nail back portion, and acquires the end position of the nail based on a position where the luminance difference values represent extreme value on the tip side from the reference position.

Abstract: A drawing apparatus comprises a controlling unit which adjusts a size of a design image formed by a image data, the image data includes position information of a key point which is predetermined set, without changing an aspect ratio of the design image and the relative position of the key point, generates an adjusted design image, and fits the adjusted design image to a drawing region of a nail; and a drawing unit for drawing the adjusted design image on the drawing region. The controlling unit sets an adjustment point in the drawing region at the same relative positions in the longitudinal and lateral directions as the key point set on the design image, and, in the fitting, sets the adjusted design image to the drawing region at a position which the key point of the adjusted design image meets the adjustment point.

Abstract: The invention relates to a system comprising an apparatus (1) for applying a design to a fingernail/toenail surface (SO), comprising: —a server (5) integrating a database (50), —terminals (6a, 6b, 6c, 6d) generating a design in the form of digital data, each terminal communicating with the server (5), so that said data generated are transmitted to said server, —the server (5) stores in a hierarchized manner the data received, said data being stored in memory areas (5a, 5b, 5c, 5d), which memory areas are accessible by password and/or identifier, —a touchpad (4) connected to the apparatus, which pad comprises a means for communicating with the server (5) and accessing one of the memory areas (5a, 5b, 5c, 5d) and downloading the stored data, which downloaded data correspond to the design to be applied to the fingernail/toenail surface (SO).

Abstract: Embodiments disclosed herein describe systems and methods for applying branched eyelash extensions, wherein two types of eyelash extensions are coupled to the user's natural eyelash. In embodiments, an eyelash extension of a first type may be coupled to a user's natural lash in a first direction, and an eyelash extension of a second type may be coupled to the user's natural lash in a second direction.

Abstract: The present application relates to a cutting head (1) for a device for cutting hair. The cutting head has an optical system (3) which directs a laser beam (7) across a cutting zone (8) in the cutting head. The laser beam has a fast and a slow axis. The optical system has a focus lens (6) configured to form a first focal point (11) of the laser beam in the cutting zone. In one embodiment, the optical system (3) also has a focusing element (15) which refocuses the laser beam to form a second focal point (16) of the laser beam in the cutting zone. In another embodiment, the focus lens forms a focal length of the laser beam in the cutting zone along its fast axis which is greater than a focal length of the laser beam in the cutting zone along its slow axis.

Abstract: The invention could comprise a hair augmentation system comprising a binding comb comprising a handle supporting both a prong section and a clamp, the clamp is capable of removably securing to the binding comb one or more hair strands held by the prong section; an adhesive tray for applying extension adhesive to an adhesive applicator; the adhesive applicator moving in the adhesive tray to transfer extension adhesive to the one or more hair extensions held by an extension applicator; and the extension applicator that removably mates to the binding comb so that the one or more of hair extensions with extension adhesive simultaneously binds with one or more of hair stands as held by the binding comb.

Abstract: A preformed artificial nail, a nail kit including such a nail, and a method of forming such a nail, the nail including a nail bed portion formed of a first material and a free edge portion having an upper portion formed of the first material and lower portion formed of a second material disposed subjacent the first material, the free edge portion being adjacent to and distal the nail bed portion, and the first material being comparatively more flexible than the second material. The lower portion of the free edge portion may include a generally uniform thickness or a varied thickness such as a wedge shape, thickening toward the distal edge of the artificial nail.

Abstract: A bi-component silicone resin (6) is introduced into a container (4). A placement of at least one solid cosmetic product (5) is placed on the silicone resin (6) introduced in the container (4). The resin (6) is polymerized with consequent anchoring of the cosmetic product (5) to the container (4). The bi-component silicone resin is a modified polyvinyldimethylsiloxane-based resin consisting of two low viscosity elastomeric silicones, polyvinylmethylvinylsiloxanes and polymethylhydrogensiloxane, suitably mixed. In particular, a RTV-GEL resin or an elastomeric RTV resin is used.

Abstract: A nail printing apparatus includes a finger/toe placement section, a drawing tool touching a finger/toe nail and making drawing on the finger/toe nail, and a drive unit which moves the drawing tool. When the drive unit moves the drawing tool while drawing, the drive unit is controlled to perform drawing direction limiting processing in which the drawing tool is allowed to move from a first to a second point of the surface of the nail which is lower than the first point and the drawing tool is prohibited from moving from the second to the first point in a first area of the nail surface set on one side of the nail center line, and in a second area of the nail surface set on the other side of the center line.

Abstract: A nail printing device recognizes, as a first nail contour, a nail contour from a first nail image obtained by photographing a nail of a specific finger/toe, displays the first nail contour on the basis of data of the first nail contour stored in a storage section, and performs an adjustment of the first nail contour on the basis of an adjustment portion specified to the first nail contour and obtains an adjusted nail contour. After that the device recognizes, as a second nail contour, a nail contour from a second nail image obtained by photographing the nail of the specific finger/toe, reflects the adjustment performed to the first nail contour, in the second nail contour, obtains an adjusted recognized nail contour, and controls a print head to perform printing in a region of the adjusted recognized nail contour.

Abstract: A drawing apparatus detects, as base coat information, a contour of a base coat region which is formed on a surface of a drawing object by applying a first ink used for a base coat on the surface of the drawing object with a drawing tool so as to fill in a design region surrounded with a contour of a design image, before the design image is printed on the surface of the drawing object, and adjusts a size of the design image and generates an adjusted design image which has a size sufficient to cover a whole area of the base coat region, based on the detected base coat information. The drawing apparatus then prints, by a print head, the adjusted design image on the base coat region at a position at which the adjusted design image covers the whole area of the base coat region.

Abstract: A nail print apparatus, including: a nail placement unit on which a central area in a protruding portion of a nail of a finger or a nail of a toe is placed, the protruding portion of the nail is an area that protrudes from a distal portion of the finger or the toe and the central area includes a center of the protruding portion in a width direction of the nail; and a print head which performs printing on the nail that the central area is placed on the nail placement unit.

Abstract: A nail print apparatus, including: a printing unit which has a print head that performs printing on a nail of a finger or toe; and a control unit which controls the printing unit on a basis of image data including position information that shows a position to attach at least one decorative part to the nail so as to print placement information including the position information on the nail.

Abstract: A personal care composition includes a surfactant, a water soluble cationic polymer, a hydrophobic benefit agent, and a hydrophobic cationic polyethylene polymer.

Abstract: Described herein are films comprising a zinc-containing compound and a film-stabilizing ingredient, for use in oral and personal care compositions.

Abstract: A skin cleansing agent composition of the present invention contains an isotropic liquid phase, which is a bicontinuous structure, and containing: 15 to 30 mass % of a nonionic surfactant having HLB of higher than 9 and equal to or lower than 20; 1 to 15 mass % of a nonionic surfactant having HLB of equal to or higher than 5 and equal to or lower than 9; 10 to 40 mass % of an oil agent exhibiting a viscosity at 30 degrees C. of equal to or lower than 30 mPa·s; 10 to 40 mass % of a water-soluble solvent having 3 or more of hydroxyl groups in single molecule; 10 to 30 mass % of a water-soluble solvent having 1 or 2 hydroxyl group(s) in single molecule; 0.05 to 1.0 mass % of a water-soluble polymer containing (meta)acrylic acid as a configuration unit and/or an acryloyl methyl taurate-vinylpyrrolidone copolymer; 0.001 to 2.0 mass % of a water-soluble inorganic salt and/or an organic salt having 1 to 8 carbon atoms; and water.

Abstract: A nail coating composition having a reduced exotherm during actinic curing of the coating on a nail. The composition may include a curable resin, a monomer, a photoinitiator, a chemical filter capable of absorbing ultraviolet (UV) light and reducing exotherm, and an additive.