Abstract: The modular cosmetic pen is an apparatus that compacts a writing instrument and a cosmetic tool together while preserving a streamline and ergonomic structure. The apparatus includes a writing instrument, an adapter, at least one cosmetic tool, and a cover. The writing instrument is preferably a pen; however, the writing instrument may be a variety of applied writing instruments. The writing instrument preferably includes a twist mechanism that extends and retracts a dispensing tip. The dispensing tip preferably expels ink. The adapter connects the at least one cosmetic tool to the writing instrument. The at least one cosmetic tool is connected to the adapter, positioned opposite the writing instrument. The at least one cosmetic tool includes a cosmetic applicator and a cap, and preferably a tube which serves as a reservoir for a cosmetic. The cover is removably attached to the adapter over the at least one cosmetic tool.

Abstract: A manual device extends in an axial direction and includes a housing having a first housing portion and a second housing portion. First and second heads are each axially movable between a use position and a stowed position. The first head is in the stowed position when the second head is in the use position, whereas the second head is in the stowed position when the first head is in the use position. The first head and the second head both are carried by a single carriage movable in the axial direction and arranged inside a barrel. A groove forming a cam track is formed by a first shoulder of the first housing portion and by a second shoulder of the barrel. A lug of the carriage cooperates with the groove.

Abstract: A self-inking cosmetic applicator pen eyeliner stamp pen. Applicator pen may feature a geometrically shaped stamp pad at a first end and a pen tip at another end. The stamp pad and pen tip are configured to be self-inking with via a reservoir carried within a body of the cosmetic applicator pen. The stamp pads may be formed as a uniform, or complimentary symmetrical shapes to apply a cosmetic material to the skin around a user's eyes. The present invention contemplates a left and a right pen having a stamp pad corresponding to a desired application to a user's left and right eyes. Alternatively, an applicator pen may include an applicator stamp at opposed ends thereof, corresponding to a left side stamp and a right side stamp.

Abstract: A liquid cosmetic container includes a container main body, a leading tube and an intermediate core. The intermediate core is disposed in the container main body and the leading tube, and the intermediate core sends a liquid cosmetic material. A rear end of the intermediate core is positioned inside the housing portion, and a tip of the intermediate core projects from an opening at a tip of the leading tube. The leading tube has an inclination portion at a tip end side, and the inclination portion inclines with respect to an axis center of the container main body. Accordingly, the container does not hinder an application of a makeup while a mirror is seen, ensuring improving the usability.

Abstract: A child-resistant writing instrument with a cap that lockingly engages a body portion via a locking assembly is presented herein. The locking assembly includes a pair of locking protrusions or pins on the cap that correspondingly fit within locking channels on the body of the writing instrument. A biasing mechanism, such as a spring, is used to bias the cap when locked to the body portion. Specifically, when the locking pins are positioned to enter the locking channel, the cap is pushed against the biasing force of the spring until the locking pins or protrusions enter a lateral or inner groove of the locking channel. The cap is then twisted or rotated such that the locking pins slide within the lateral groove toward a locking notch. The biasing force of the spring will then bias the pins into the locking notch, thereby locking the cap to the body.

Abstract: Articulated pens are provided. A pen includes: a shank; an ink tube comprising a first section, a second section, a third section, and a fourth section; a writing tip connected to the fourth section; a first guide rail connected to the shank and that bends the ink tube at a first angle between the first section and the second section; and a second guide rail pivotally connected to the first guide rail and that bends the ink tube at a second angle between the third section and the fourth section. Pivoting the second guide rail relative to the first guide rail adjusts a third angle between the second section and the third section.

Abstract: A connecting element with a dual engaging means that allows two different items of daily use to be connected together as a single article for the day to day convenience of the user is disclosed. The connecting element has the dual engaging means to secure two articles at a time. The connecting element is used as an engaging means and also as a closing means for respective articles. The connecting element has different geometric features at its either ends so that it is used as an engaging means and a closing means for the articles with different geometric features.

Abstract: A handheld topical applicator. The handheld topical applicator is preferably adapted to release a precise amount of liquid onto a surface and is preferably used for various applications such as marking a surface and/or providing a proper amount of dosage for medicinal applications. The handheld topical applicator may comprise a liquid delivery system for dispensing a precise amount of liquid onto various surfaces, a projecting/retracting mechanism, and an audible and/or tactile physical feedback mechanism. The projecting/retracting mechanism may controllably retract or protrude a nib into and out of the housing, and the audible/physical feedback mechanism may provide either a physical and/or audible click once a desired amount of liquid transfers onto the surface.

Abstract: A cosmetic applicator includes a hollow seat including a projecting axial sleeve, a threaded shank moveably disposed through the sleeve, a cup at an end of the threaded shank, and slits on the cup; a casing secured to the seat, the casing being configured to receive the threaded shank and including ribs on an inner surface, the ribs being inserted into the slits; a first activation assembly including an exterior case secured to the seat, an interior case, a sleeve member, a sleeve element, first external threads on an inner surface of the exterior case, a first flange at an end of the interior case, second external threads on an inner surface of the interior case, a hollow cylinder in the interior case, and a second flange at a first end of the hollow cylinder; and a hollow intermediate case secured onto the first and a second activation assemblies.

Abstract: A dispenser includes a depressible thermal tip and a housing having a reservoir for containing a product, such as a cosmetic product or a medicinal product. The depressible thermal tip comprises a thermal applicator displaceable between open and closed positions. The thermal applicator may be depressibly coupled in a collar fixed to the housing, or the thermal applicator may be depressibly coupled in a button depressibly coupled in a collar fixed to the housing.

Abstract: The instant application provides methods and systems for applying color to eyebrows and skin at locations where an eyebrow should be. A crème-to-powder formulation is used to apply the color. The crème-to-powder formulation includes a crème-to-powder base and pigmentation to provide a final color suitable for application as eyebrow makeup. A liquid sealant may be used to seal in the color once applied. Various kits are disclosed that include a crème-to-powder formulation and applicators.

Abstract: A package for two liquid personal care compositions, including an applicator, a first reservoir, and a second reservoir. The applicator is non-removably connected at and extends away from the first cavity. The first and second reservoirs each hold a quantity of a liquid composition therein. The first reservoir includes an open end sized for independent insertion and removal of the applicator therethrough. The first reservoir is removable and protectively encases the applicator. The second reservoir includes a closed end an opposing open end, through which a liquid composition can be dispensed.

Abstract: A cleaning apparatus providing a user with the ability to perform two cleaning functions with the same apparatus. According to one aspect of the present disclosure the cleaning apparatus includes an elongated body portion having first and second ends, a first tip integral with the first operative end, the first tip including a first solution for performing a first cleaning function, and a second tip integral with the second operative end, the second tip including a second solution to the second operative end for performing a second cleaning function.

Abstract: A device for storing and dispensing different product possesses at least two interlocking product dispenser units each possessing a product dispensing outlet through which stored product may be selectively dispensed.

Abstract: An apparatus for applying solid paint to the skin includes a housing having opposite first and second ends, a first quantity of solid paint in a first receptacle, a second quantity of solid paint in a second receptacle, and an actuator for longitudinally shifting the first receptacle relative to the housing. A pusher may be operatively coupled to the actuator and include a threaded shaft and a first receiver configured for removably mounting the first receptacle. The pusher and the first receptacle mounted therein may move longitudinally relative to the housing corresponding to relative rotational movement of the actuator. The first and second receptacles may be removably mounted in the apparatus whereby the receptacles and the quantities of solid paint contained therein may be removed and replaced without the need for tools. The first and second receptacles may be sized and configured so that their positions may be alternated.

Abstract: The present invention relates generally to a cosmetic apparatus. More particularly, the invention encompasses an accessory sleeve for a cosmetic item. The present invention is also directed to a novel lock-in cosmetic accessory sleeve. The accessory sleeve has a first opening to securely and releaseably accommodate a first cosmetic container, and a second opening to securely and releaseably accommodate a second cosmetic container. The accessory sleeve and/or the containers have at least one releaseable engagement means to securely hold each to the other. The lock-in cosmetic accessory sleeve has at least one engageable and/or constriction means to engage with and securely, and releaseably, hold a first cosmetic container at a first open end, and/or to engage with and securely, and releaseably, hold a second cosmetic container at a second open end. The constriction means could be at least one leaf spring type means.

Abstract: The present invention relates generally to a cosmetic apparatus. More particularly, the invention encompasses an accessory sleeve for a cosmetic item. The present invention is also directed to a novel lock-in cosmetic accessory sleeve. The accessory sleeve has a first opening to securely and releaseably accommodate a first cosmetic container, and a second opening to securely and releaseably accommodate a second cosmetic container. Both the accessory sleeve and the containers have releaseable engagement means to securely hold each to the other. The lock-in cosmetic accessory sleeve has at least one partitioning wall having at least one protrusion having at least one spring means to exert pressure on one end of the cosmetic container. The cosmetic container preferably has at least two chambers, wherein the first chamber accommodates cosmetic contents, while the second chamber is used to accommodate at least one engageable fastener.

Abstract: A two-color ball pointed pen having two pen cartridges with different colors in one case allows a user to easily and rapidly select and use a wanted color. The two-color ball pointed pen includes: two-color pen cartridges(3,3?) joined to one side of a case(1); a highlighter pen(5) joined to the other side of the case(1); and a transparent cap(4) joined to an assembly hole(11) of one side of the case(1) to which the two-color pen cartridges(3,3?) are joined so as to allow a user to see colors of the two-color pen cartridges(3,3?) from the outside.

Abstract: The present invention refers to a system for docking and undocking packages for cosmetics, capable of offering a simplified and efficient fitting and detaching mechanism for the packages The system comprises a first package and a second package for cosmetics, the first and second packages being respectively comprised by a first and second bottle, the first and second bottles being respectively associated with a first cap and a second cap, the first package for cosmetics being docked to the second package for cosmetics upon a compression movement, and concomitantly, upon the cooperation between a first cap projection and a second cap projection respectively arranged on the first and second caps, the first package for cosmetics being undocked from the second package for cosmetics upon a traction movement substantially contrary to the compression movement, the first cap projection having a geometry which is identical to the second cap projection.

Abstract: A writing instrument is disclosed that can enhance the speed and accuracy for a respondent using an optical machine response form. This writing instrument includes at least two reservoirs for dispensing two independent fluids with different optical reflectivity, whereby an application of the second fluid on top of a layer marked with the first fluid of the response form, modifies the digital response from the optical machine.

Abstract: A double-ended makeup brush tool having an automatic sealing structure, in which respective brushes provided in opposite ends of a barrel can be selectively and alternately used, so that, when one brush is used, the other brush can be disinfected by a disinfectant inside the barrel, thereby being kept clean. When a user presses the rear end of the cartridge with the finger, the locking protrusion of the cartridge is removed from a rear locking hole of the barrel and is caught by a front locking hole and, in the above state, the brush hole of the barrel is opened by an anti-drying unit and a first brush can be ejected from the barrel through the open brush hole. When the locking protrusion is removed from the front locking hole and is caught by the rear locking hole, the first brush can be retracted into the barrel and the anti-drying unit closes the brush hole.

Abstract: This invention disclosed hair coloration applicator designed with a holder with two ends, at least one opening provided on each of said ends corresponding with the opening on the other end, at least one pair of coloration bars being fixed at said corresponding openings on said two ends, in which said coloration bars are made of coloring compound with a color in a specific hair color family and can be blended together to make a variety of hair color shades. The Invention allows a person to blend the right color within their hair color range since it has colors that blend together to create a variety of shades within a specific color scheme.

Abstract: A cosmetic device includes a barrel, a first transmission unit, a dispensing unit, a cover and a second transmission unit. The first transmission unit is co-rotated with the collar by rotating the mounting member to move the piston downward. The cosmetic liquid in the first room in the barrel flows out from the outlet of the dispensing unit. The mounting member is rotatable in one direction relative to the barrel by the engagement of the ratchet teeth portion of the collar and the pawl of the barrel. The reception tube of the second transmission unit is rotated to co-rotate the collar to let the rod spirally move in the inner tube to protrude the lipstick.

Abstract: A multi-unit cosmetic applicator comprising: a housing body, a first cosmetic unit housed in the housing body, a second cosmetic unit housed in the housing body, an opening in the housing, wherein each cosmetic unit has a means for being independently movable relative to each other from a stored position to an advanced position and back to its stored position. The means may include a ratchet assembly, a squeeze assembly, or a dual twist assembly.

Abstract: A multi-unit cosmetic applicator comprising: a housing body, a first cosmetic unit housed in the housing body, a second cosmetic unit housed in the housing body, an opening in the housing, wherein each cosmetic unit has a means for being independently movable relative to each other from a stored position to an advanced position and back to its stored position.

Abstract: The present invention relates generally to a cosmetic apparatus. More particularly, the invention encompasses an accessory sleeve for a cosmetic item. The present invention is also directed to a novel lock-in cosmetic accessory sleeve. The accessory sleeve has a first opening to securely and releaseably accommodate a first cosmetic container, and a second opening to securely and releaseably accommodate a second cosmetic container. Both the accessory sleeve and the containers have releaseable engagement means to securely hold each to the other.

Abstract: A dual cosmetic container is disclosed. The container has a sleeve that has a first end and a second end, each of the ends are adapted to receive a receptacle for containing a cosmetic product. The cosmetic product in the first receptacle is different from the cosmetic product in the second receptacle. At least one of the receptacles has an applicator in the form of a rollerball for dispensing product.

Abstract: A cleaning apparatus providing a user with the ability to perform two cleaning functions with the same apparatus is disclosed. According to one aspect of the present disclosure the cleaning apparatus includes an elongated body portion having first and second ends, a first tip integral with the first operative end, the first tip including a first solution for performing a first cleaning function on the electronic equipment, and a second tip integral with the second operative end, the second tip including a second solution to the second operative end for performing a second cleaning function on the electronic equipment.

Abstract: A dual type cosmetics case includes a plurality of liquid containing parts and inlets partitioned from each other by a vertical partition wall. A plurality of stems immersed into the respective liquid containing parts are mounted in such a way as to be detachably coupled to the liquid containing parts. Each stem is selectively coupled to a cap and then used. The dual type cosmetics case is advantageous in that different kinds or colors of cosmetic liquids are held in one case, so that a user need not carry or keep several different cosmetics, and thus, especially while traveling, the volume of items which are to be carried by a person can be reduced. Further, costs for purchasing cosmetics can be reduced, so that the cosmetics case is very economical.

Abstract: A liquid dispensing device is provided with a container having first and second spaces for storing two different lotions respectively; a first transmission assembly in the first space; a first dispensing assembly in ratchet engagement with opening of the first space; a second transmission assembly in the second space; and a second dispensing assembly in ratchet engagement with opening of the second space. An individual is allowed to use either an application head in the first dispensing assembly or an application head in the second dispensing assembly.

Abstract: An oral care implement (210) includes a handle (214) and a head (212) mounted to one end of the handle (214) that includes a first face (237) having plurality of tooth cleaning elements (226) extending therefrom, a second face (247) and a store of oral care material (232). A soft tissue cleaner (241) can be included on the second face (247). Oral care material can be provided simultaneously to the first (237) and second faces (247) during use from the store of oral care material (232). The oral care implement can include a plurality of oral care material stores (232), which can include different dentifrices. A store of oral care material (232) can be located within an arrangement of the tooth cleaning elements (226) and can extend through the head (212) to an arrangement of soft tissue cleaning elements (226). The toothbrush (210) can be small in size and lightweight so as to be readily portable for use away from the home.

Abstract: A multi-color pen includes a multi-segmented pen body including a longitudinally extending cylindrical hollow tube having a longitudinal axis and a plurality of cylindrical sub-assemblies each of which includes a supply of writing material and a writing point connected to one of the supplies of writing materials. An eraser is disposed at an end of a hollow tube and is shown with a removable cover. The cover may include a compass or a digital thermometer in place of the digital clock. In addition, a rotatable pocket clip extends from the top of the cover and includes a ruler having a straight edge and graduations of length as well as a knife blade or letter opener that is rotatably separable with respect to the ruler.

Abstract: In the case of a cosmetic unit, including a container for holding a cosmetic, a closure cap for the container, and an applicator, which is arranged on the closure cap and is intended for applying the cosmetic, wherein two such cosmetic units can be connected to each other via a coupling device, the cosmetic unit has a coupling device which is formed on the closure cap and is intended for connection to a second cosmetic unit having a corresponding coupling device, wherein the coupling device has a coupling recess which extends perpendicularly to the central longitudinal axis of the cosmetic unit and the inner wall of which forms at least one undercut, and a coupling projection which is of complementary design to the coupling recess in such a manner that the coupling projection of a first cosmetic unit can be pushed, by a pushing movement of the cosmetic units which are to be connected, into the coupling recess of the second cosmetic unit and, in the pushed-in state, is held there in an interlocking manner.

Abstract: An electronic pen has a casing and a tip to be put on a surface. The pen includes a positioning module for detecting the position of the tip on the surface, and an audio module configured to output signals responsive to the detected position of the tip on the surface. The modules form a unitary component mounting unit contained within the casing. The pen also has: an audio box with a speaker, means for connecting the modules, and a locking arrangement for locking the casing.

Abstract: A dual cosmetic container is disclosed. The container has a sleeve that has a first end and a second end, each of the ends are adapted to receive a receptacle for containing a cosmetic product. The cosmetic product in the first receptacle is different from the cosmetic product in the second receptacle. At least one of the receptacles has an applicator in the form of a rollerball for dispensing product.

Abstract: An applicator for applying a coating composition to a substrate is provided. The applicator includes a point applicator and a brush applicator connected to a body having a first reservoir containing a first coating composition. The applicator further includes a removable second reservoir containing a second coating composition. A second applicator is connected to the body for applying the second coating composition.

Abstract: A pen/highlighter having an integral retractable tethered bookmark comprising a double-ended writing instrument having a ball point pen at a first end and a highlighter at a second end is disposable and replaceable, thereby allowing a user to refill the device with common refills comprising different color inks. A pen cap portion comprises a tethered interchangeable bookmark depicting such items as a charm, a school or corporate logo, a sports team logo, an entertainment or musical icon, among others. A thin retractable cord connects the bookmark to the device providing a retracting mechanism within the pen cap. An internal locking device secures the bookmark at a maximum extended length as well as variable partial lengths. In such a manner, the cord can be used to mark a page in a book while the bookmark hangs out of a bottom portion of said book.

Abstract: A personal hygiene apparatus including a container, a first storage compartment disposed within the container and configured to store a deodorant, a second storage compartment disposed within the container and opposite the first storage compartment, the second storage compartment configured to store a sanitizer solution, an applicator in fluid communication with the second storage compartment and configured to receive the sanitizer solution and an interface disposed between the second storage compartment and the applicator for regulating the supply of the sanitizer solution to the applicator.

Abstract: A cosmetic applicator for retaining a plurality of cosmetic members for selective extension and retraction with a housing, a revolver chamber rotatably retained within the housing, a plurality of cosmetic members disposed within longitudinal tubes circumferentially spaced relative to the revolver chamber, a slide button retained to slide along a longitudinal channel in the housing, and an end cap for selectively rotating the revolver chamber to induce one of the plurality of cosmetic members to become an active cosmetic member. The end cap can be rotatably retained relative to the housing and drivingly engaged with the revolver chamber with a key and keyhole combination. The housing can have has an eccentric aperture in the distal end thereof and the cosmetic members can be eccentrically disposed relative to the revolver chamber to align selectively with the aperture in the distal end of the housing.

Abstract: A dual-functional cosmetic bottle includes a bottle body having a first housing and an opening end at an upper portion thereof; a rotating cap having an eyelash brush inside, which can be inserted into the first housing and has a second housing inside; an extending tube extended from an upper portion of the rotating cap; and an eye-shadow pen inserted into the second housing and one end of the eye-shadow pen connected to an upper cap. In one embodiment, the bottle body can include the eyelash brush and the eye-shadow pen simultaneously, while including the first and second housings to store eyelash liquid and eye-shadow liquid respectively. Therefore, this dual-functional cosmetic bottle can include both eyelash brush and eye-shadow pen simultaneously, which is convenient and more portable for the user without carrying multiple bottles that may take more spaces.

Abstract: A combination pen with correction marker providing a user with a writing utensil and a correction method in a single device. The combination pen with correction marker includes a tubular body, an ink cartridge housed within the tubular body, a pen tip connected to an end of the ink cartridge to dispenses an ink supply from within the ink cartridge, a twisting grip coupled with a plunger mechanism attached to an open end of said tubular body. The plunger mechanism moves the pen tip from an extended position and a retracted position when turning the twisting grip. The combination pen with correction marker further includes a correction reservoir fastened to an opposing end of the ink cartridge, which stores a supply of correction ink, and a sponge inserted within the correction reservoir wherein the sponge dispenses the supply of correction ink from the correction reservoir.

Abstract: A nail enamel applicator includes a resilient tube, an adaptor mounted on the top portion of the tube and having an upper end provided with a clamping hole and a guide portion, a pen head mounted in the adaptor and having an upper end provided with a tip extending through the guide portion into the clamping hole, a top cap mounted on the adaptor to cover the tip, and a brush having an upper end provided with a pipe inserted into an open lower end of the pen head and a lower end provided with multiple bristles. Thus, the tip is clamped by the clamping hole so that the clamping hole is sealed closely by the tip without producing a gap between the tip and the clamping hole to prevent air from being introduced into the tube.

Abstract: The cosmetic unit has two partial units, each including a receptacle for receiving a cosmetic substance and a closure cap for allowing the closure of the receptacle. The two partial units are inter-connectable by a coupling member engaging with the two closure caps. Each closure cap has a cap recess, extending in the direction of a central axis, on the axial front end facing away from the receptacle of the corresponding partial unit. The coupling member including a central portion with two axial coupling projections being formed thereon wherein each coupling projection engages with one of the two cap recesses when in an assembled state.

Abstract: A lip marker is described comprising an elongated body which accommodates a sponge soaked in coloured marking ink and a tip arranged at an end of the elongated body in contact with said ink Moreover the marker comprises a lip gloss or gloss applicator arranged at the end opposite to said elongated body. The lip gloss applicator may be in solid or “stick” form or in fluid or “bottle” form.

Abstract: The unit for cosmetics (1) comprises two partial units (2, 3) with a reservoir (5, 6) each for the intake of a cosmetic substance and with a closure cap (7, 8) each, with which the associated reservoir (5, 6) can be closed. Both partial units (2, 3) are connected in a releasable way by means of a coupling sleeve (4). On both axial front sides thereof, one of the two closure caps (7, 8) can be inserted. The coupling sleeve (4) is made of metal. At least the closure caps (7, 8) are made of plastic. The coupling sleeve (4) comprises a safety element at an inner wall per insertable closure cap (7, 8) extruding to the inside, designed as a ring element running in the circumferential direction by means of longitudinal elements that are parallel to the central longitudinal axis. A releasable connection of the coupling sleeve (4) to the associated closure cap (7, 8) comprises a torsional strength due to the longitudinal elements and an axial strength due to the ring element.

Abstract: An assembly structured to clean the head portion of a stethoscope comprising a housing including a path of travel along which the head portion passes during cleaning. A supply of cleaning fluid is associated with a dispenser assembly which is cooperatively disposed relative to an activating assembly. The activating assembly is manually operated due to moveable engagement with the head portion as it travels along the path of travel. The activating assembly is thereby operatively positioned to activate the dispenser assembly when engaged by the head portion as it passes along the path of travel. The dispenser assembly delivers the cleaning fluid to an applicator assembly which distributes the cleaning fluid to the head portion and facilitates the cleaning thereof and removal of excess cleaning fluid there from.

Abstract: A packaging and dispensing device includes a container holding a first product, and a closure capsule including a base part configured to detachably close off the container. The device includes a recess defined in a mobile part of the closure capsule, this recess containing a second product. An opening in the recess is closed off by a cap, such that the mobile part can assume, relative to the base part, a closed position wherein the cap is rendered inaccessible by the base part, and an open position wherein the cap is accessible.

Abstract: The present invention may be used for applying fluids to a convex surface. A handle may be attached to a fluid dispensing assembly that may have a roller applicator assembly attached. The roller applicator assembly may have rollers rotatably disposed on a bracket with two of the rollers positioned at an oblique angle to an intermediate roller. The fluid dispensing assembly may have a body with a first fluid channel in fluid communication with a first fluid container in the handle and a second fluid channel in fluid communication with a second fluid container in the handle, and a piston in each fluid container. The first fluid channel may have an aperture adjacent a first roller and a second aperture adjacent the intermediate roller. The second fluid channel may have an aperture adjacent a second roller and a second aperture adjacent the intermediate roller.

Abstract: A combination pen and highlighter is provided. The combination includes a body, at least one anchor which connects the body to an extendable highlighter and a button for manipulating the highlighter. The combination uses two separate springs to lock the highlighter in either a closed position or a highlighter extended position.

Abstract: A writing instrument, which has an inner and outer writing element with separate writing medium reservoirs. The writing elements are coaxially mounted in an outer barrel and axially moveable with respect to one another. A driving mechanism may be actuated to allow a user to selectively extend one writing element. The inner and outer writing elements may have an inner sleeve therebetween to improve, for instance, rigidity of the outer writing element and to prevent contamination of the writing medium reservoirs. An outer sleeve may also be provided over the outer writing element. The outer sleeve can function to hold various components of the outer writing element together, and to allow for clean and easy refill of the outer writing element, especially when the outer writing element is a nib-type writing element with a filler-type reservoir. The writing instrument is designed so that a user can replace the inner and/or outer writing elements when their respective writing medium have been expended.