Abstract: An activewear garment having facial opening formed on an anterior side of an upper head portion of the garment. An elastic securing band is attached to an interior rim of the facial opening, said elastic securing band being attached around the entire circumference of said facial opening. An adhering layer composed of one or more types of adhesive substances, including pressure sensitive adhesives, are applied to an interior side of the elastic securing band, such adhering layer being configured to releasably adhere to a user's facial skin, thereby preventing the full or partial dislodgement of such activewear garment during high contact athletic activities.

Abstract: A contourable product for absorbing moisture includes a main sheet comprising an absorbent material. A number of sides of the main sheet is more than four, with the main sheet defined by a polygonal shape. The main sheet is movable between an unwrapped position and a wrapped position. In the unwrapped position, the main sheet is completely unfolded and substantially flat. In the wrapped position, the main sheet is contoured to secure to and wrap around a human head and extend around head hair of the human head.

Abstract: The multi-functional hair drying net and turban towel for upright application may be used on its own or so combination with a hand held hair dryer. Useful for managing dry and wet hair, to absorb water from wet hair after washing, swimming, or anytime the hair is wet, thereby avoiding dripping of water on the face, neck, or clothes. Used over dry hair to keep hair off the face, back and neck when applying make-up and treatments to the face. When required to dry hair by electrical means the device can be connected to a commercially available hair dryer and used as a conduit to direct warm air into the net cavity and dry hair using electrical means. It can be used to keep hair dry and off the face and back in the bath, shower, Jacuzzi spa or steam bath.

Abstract: Various embodiments of a respirator and a method of forming a respirator are disclosed. The respirator can include a mask body having an upper panel, a lower panel, and a central panel disposed between the upper and lower panels. The mask body can also include a left attachment mechanism disposed between a left tab of the mask body and a left portion of at least one of the upper panel and the lower panel when the mask is in an open condition, and a right attachment mechanism disposed between a right tab of the mask body and a right portion of at least one of the upper panel and the lower panel when the mask body is in the open condition.

Abstract: The disclosure relates to a hair wrap for securing cranial hair of a human during sleep, exertion, or exposure to the elements, for example. The wrap includes a slip-resistant material positioned at or near an inferior edge that extends about the hairline of the wearer. One or more fastener pairs have halves positioned at lateral ends of the wrap and are used to secure the wrap to the head. An extension of the wrap can enclose or envelop the hair, preventing disruption of hairstyles or undesired contact of the hair with external substances.

Abstract: A protective face mask for maintaining a protective covering over a wearer's nose and mouth that allows for safe intake of food and/or drink includes a mask body, and upper and lower straps connected to the mask body that allow the protective face mask to be secured to the wearer's head. The mask body includes a flap portion that is connected to the mask body by left and right bellows portions. A tether is connected to the flap portion that may be grasped and force applied to draw the flap portion away from the face of the wearer, expanding the left and right bellows portions and creating an opening under a bottom edge of the flap portion at the bottom of the mask body to allow access to the wearer's mouth until the force applied is removed.

Abstract: A hair wrap envelopes the hair. The hair wrap comprises a cap portion, a pouch, and side walls. The cap portion has at least one attachment means. At least two elongated ties located on opposite sides of the side walls are adapted to be twisted for securing the wrap on the user's head. A material loop is located on a back base of the pouch to hold the ties in place. An attachment means located on a bottom edge of the pouch mates with the attachment means of the cap portion. A crown material loop located on the top section is adapted to hold the pouch after the pouch is twisted and lifted toward the top section. The pouch is adapted to be worn in a variety of styles, including to lay untwisted when the wrap is in an extended position, and twisted and lifted upward when the wrap is in a wrapped position.

Abstract: An ear protection apparatus includes a flexible ear guard assembly with an integrally formed ear protector on each end of a connecting band. The connecting band is configured to position each of the ear protectors in contact with an ear of a user. The ear protection apparatus further includes a support structure coupled to the top of the ear guard assembly for structural stiffness. The support structure is configured to be deformable or bendable into different shapes such that it can be folded behind the user's neck or head to cover each ear thus protecting it from heat and/or chemicals during hair styling. The ear protector may optionally include a pair of breathable ear cups.

Abstract: A facial barrier assembly includes a liner including distinct sheets and a barrier including distinct face masks. The face masks are removably coupled to the sheets. Common perforations extend through the liner and the barrier to define the distinct sheets and, in some cases, the distinct face masks. The liner and the barrier are arranged as roll or a fanfold.

Abstract: A cleanroom autoclave system including a reusable autoclave breather bag and a reusable fill line hopper cover. The autoclave bag is formed from a launderable abrasion resistant inner fabric layer and a launderable polyester outer fabric layer, and has a zipper closure. The hopper cover is formed from a circular bonnet and an open tubular skirt formed from a launderable polyester fabric, and includes an elastic portion and snaps to secure the hopper cover.

Abstract: Novel and advantageous masks and helmets to protect an athlete's head and face from impacts and injuries. In particular, the present disclosure relates to novel and advantageous masks and helmets to help protect a baseball or softball catcher's face and head from concussive forces of an incoming ball strike. A mask of the present disclosure may be coupled to a helmet, or may be configured for use without a helmet in some embodiments. The mask may provide a generally cone-shaped structure in front of a wearer's face, so as to provide an angled surface for contact with an incoming ball. Additionally, a shock absorbing material may be provided at an interface between the helmet and mask to reduce and distribute force transfer between the mask and the helmet.

Abstract: A frameless adjustable facial shield can have a shield connected to a headband with the headband having a gasket strip with multiple protruding ridges configured to continuously contact the skin of a user. The gasket strip can provide a substantially water-tight and releasable seal that separates a face portion of the user from a forehead portion of the user while the face portion is covered by the shield.

Abstract: A device including a headband implement having a fabric with an outer surface and an inner surface, a hairclip implement configured to be operable for engagement with the headband implement, a base section of the hairclip implement configured to be encased between the outer surface and an inner surface of the headband implement, a plurality of prongs configured to slide into a hair of a user, and a tab implement operable for securing a hairclip implement to an internal surface of the headband implement.

Abstract: A hair towel having a towel, and a tightening assembly with a cord assembly and a fastener. The cord assembly has an external and internal cord section, first and second ends, and a knot. The fastener has a body, an actuator, and a hole. The towel has an elongated channel to receive the cord assembly. The elongated channel has lateral ends, and defines a hole to receive the cord assembly. The elongated channel has at least one edge with stitching, whereby the stitching secures the elongated channel to the towel. The towel has exterior and interior faces, lateral edges, and first and second edges. The elongated channel is closer to the first edge than to the second edge, whereby the elongated channel is a first predetermined distance from the first edge without reaching the second edge. Furthermore, the elongated channel is approximately parallel to the first edge.

Abstract: An ear and ear headphone shielding assembly, for comfortably laying on an ear with headphones therein, includes a panel and a cushion member. The panel has an inner surface and an outer surface. The inner surface is concavely shaped, while the outer surface is convexly shaped. The panel has a perimeter edge including a top edge, a bottom edge, a first side edge, and a second side edge. The inner surface is shaped as to form a hold to receive an ear such that the ear is adjacent to the inner surface. A cushion member is attached to the perimeter edge as to be coextensive with the top edge, the first side edge and the second side edge, leaving the bottom edge free of the cushion member.

Abstract: One or more embodiments of an elongated swim cap concavity (11a) having expandable walls (11) with flexible pleats (11b) above a draw cord sleeve (13) or (17) containing a draw cord (14) with knotted draw cord ends (15) and attached draw cord accessories (18) extending from draw cord sleeve openings (16) at the back and above an elastic ribbed perimeter band (12) with a plurality of grooved channels with ear notches (12a). These aspects provide a swim cap that accommodates various hair types, particularly thick, curly, long, kinky, coarse, voluminous and/or high-maintenance hair and/or chemically treated hair and/or braids, rolled locks or dreadlocks to establish and maintain a water-tight seal, a secure and stable fit, and a streamlined profile. Aesthetic possibilities are provided with visibility of and unobstructed access to the ears. Other embodiments are described and shown.

Abstract: An article of swim gear consisting of a cap for protecting the hair during the practice of recreational swimming or other aquatic sports. The cap comprises a main body whose tripartite structure allows the accommodation of the hair without squeezing it, thus maintaining the shape of the hairdo. The cap also comprises an internal positioning-blocking unit consisting of an annular band attached to the rim of the cap by only one of its edges, which gently holds the cap to the user's head, and a seepage-prevention strip cantilevered over the outer face of the annular band, which stops and absorbs the water that could seep under the edge of the cap in the areas of neck and temples. Three embodiments of the cap are described and graphically illustrated.

Abstract: A mouth cover radio headset for shielding a user's mouth from lip reading includes a headset comprising an ear cover and a flexible band coupled to the ear cover. The flexible band has a top pad and a side pad coupled to a distal end. A radio unit is coupled within the ear cover and comprises a transceiver and a battery. A speaker is coupled within the ear cover and is in operational communication with the radio unit. A boom is coupled to the headset and pivotably extends from the ear cover. An expandable mouth shield is coupled to the boom. The expandable mouth shield has a closed position and an alternate expanded position. The expandable mouth shield is configured to cover a wearer's mouth when in the expanded position. A microphone is coupled to the expandable mouth shield and is in operational communication with the radio unit.

Abstract: A protective swim cap used to protect users' heads from injuries caused by collisions. More specifically, an elastic, protective swim cap that is long enough to cover swimmers' ears and that includes a safety feature made up of alternating solid free space and open cells, wherein the safety feature is located near the center line of the protective swim cap.

Abstract: A cap for preventing hair loss has a crown with protrusions extending from the concave surface of the crown. When the cap is placed on a user's skull at least one of the protrusions is aligned with a suture in the skull. Rubbing on the exterior of the crown at the locations of the protrusion will abrade excess bone growth or thickening on top of the suture thereby assuring circulation to the scalp to support hair growth.

Abstract: The Salon Hair dryer Hood Cover was invented by taking a bath towel and poly cotton blend material, placing them together and cutting them 3 ft and 8 in long and 2 ft wide; Cut the covers off the towel, pin together fold down 1 in, stitching together, Slide the elastic through the corners, creating the hood. Attach your strap to the hood, which are used to tighten the hood around the salon hair dryer. This will keep the heat inward. Thus eliminating longer dryer time under the hair dryer. Attach four straps to hood, which are used to tighten the hood around the salon hairdryer This will keep the heat inward. Thus eliminating longer dryer time under the hair dryer.

Abstract: A complexion and neck treatment band (CNTB) for a user, by which compound mechanical stimulation is applied to the skin of the face and surrounding skin patches. The band fits around the head of the user, forming a tight fit with the skin of the complexion and possibly neck. The user can apply generalized stretch, and using special stretch lobes also apply localized stretch.

Abstract: A protective hood designed to be worn under a racing driver's helmet and to help in taking off the helmet of said driver under all circumstances, said hood it has at least one removal member secured to the top of the hood and having dimensions such that its free ends extend downwards and are accessible from outside said integral helmet when the latter is worn over said hood, and a holding member secured to each side face of the hood in order to keep the free ends of said removal member in position against the hood and substantially symmetrical with respect to the vertical sagittal plane of said hood.

Abstract: A mask for facial contouring that includes: a main portion, where the main portion is adapted to cover a portion of a user's face leaving exposure of a user's outer jaw bone; eye covers, where the eye covers cover the user's eyes; a lip cover, where the lip cover covers the user's lips; temple covers extending from the main portion covering each temple area of the user's face; slit openings along a nose section of the mask; openings at a forehead portion of the mask; and an ear loop on each side of the mask for attaching the mask to the user's face. Each side of the mask may include curved exposure of the user's outer jaw bone and preferably the mask includes a soft material on an interior of the mask.

Abstract: A hair wrap envelopes the hair. The hair wrap comprises a cap portion, a pouch, and side walls. The cap portion has at least one attachment means. At least two elongated ties located on opposite sides of the side walls are adapted to be twisted for securing the wrap on the user's head. A material loop is located on a back base of the pouch to hold the ties in place. An attachment means located on a bottom edge of the pouch mates with the attachment means of the cap portion. A crown loop located on the top section is adapted to hold the pouch after the pouch is twisted and lifted toward the top section. The pouch is adapted to lay untwisted when the wrap is in an extended position, and to be twisted and lifted upward when the wrap is in a wrapped position.

Abstract: A disposable, non-absorbent cooking utensil is described for selectively covering foodstuffs in stovetop, microwave, oven, slow-roaster, crockpot, griddle or grill-top cooking operations. The entire cover, with integrated handle, has sufficient wet-strength and rigidity to maintain its shape and integrity so as to be easily removable and replaceable during cooking. The cover is made of a non-absorbent and optionally fire-resistant material that is permeable enough to allow steam to escape while still containing grease splatter and cooking liquids within the cooking vessel, thereby preventing boil-over or foaming of liquids (as can be caused by starch when cooking pasta and potatoes, etc.) and promoting a cooking environment similar to uncovered frying or cooking; enabling thickening and frying, etc. The material of the cover is also sufficiently resistant to the conduction of heat that the integrated handle does not get so hot during operation that it prevents easy grasping and lifting without getting burned.

Abstract: A hair towel cape is provided having a body having a neck opening, a first layer, and a second layer. The first layer is joined to the second layer. The first layer is located on a first side of the body. The first layer has a water absorbent material. The second layer is located on a second side of the body. The second layer has a waterproof or water repellent material. The second side is opposite of the first side.

Abstract: The Wrap-n-Dry Towel has a hook strip on one side of the towel and a loop strip on the opposite side of the towel. When the towel is wrapped around a person's head to the forehead and the hook and loop are pressed together it provides a strong wrap. The towel is never twisted into a knot and is loose on the hair and allows the hair and towel to drape down the back side of the person allowing faster drying of the hair and preventing tangling of the hair for a healthier strand of hair and ease of brushing the hair out.

Abstract: Various embodiments implement multi-fabric designs by using respective EDA tools associated with multiple design fabrics to access their respective native design data. Each EDA tool has access to and processes or manipulates its corresponding native design data; and no EDA tools have the visibility of the entire multi-fabric electronic design. Requests for actions are automatically transmitted among these EDA tools to instantiate desired EDA tools and to descend or ascend the multi-fabric design structure so that native design data in a particular design fabric are processed by the corresponding EDA tool(s) within the context of the other design fabrics. These techniques enable designers to implement, check, verify, simulate, analyze, probe, and netlist the entire electronic design across multiple design fabric.

Abstract: Systems and methods in accordance with embodiments of the invention implement spectacle attachments that can provide protection from radiation. In one embodiment, a spectacle attachment that provides protection from radiation includes: a body of material that is a barrier to at least some form of radiation; where the body of material is configured so that it can couple with either temple of a pair of glasses; and where the body of material is sized to protect the side of a wearer's face from at least approximately the wearer's temple to approximately below the wearer's cheek when the body of material is coupled to a temple of a pair of glasses and the pair of glasses is worn.

Abstract: A hair style accommodating hat device permits wearing a hat displaying a hair style or the appearance of a hair style commonly referred to as a mohawk. The device includes a main member having an annular perimeter edge and a convex central portion extending from the perimeter edge defining an interior space wherein the main member is configured to be worn on a head. An elongated slot extends through the central portion of the main member. The slot has spaced longitudinal side edges wherein the slot is configured for receiving an elongated strip of hair through the slot while the main member is coupled to the head.

Abstract: A head covering made from a stretchable fabric forming an elongated tubular shaped article. The head covering has a front opening with a band portion to secure the head covering to a head. The head covering securely extends around the head and extends the full length of the hair to a back opening. The head covering is designed to circumferentially surround fully extended hair along the entire length of the hair. The head covering is designed to permit configuration flexibility, allowing it to protect hair, prevent user distraction from blowing hair, and permit for the safe wearing of a head apparatus.

Abstract: An eyeglass assembly that enables eyeglasses to be worn more comfortably when lifted above the eyes and onto the head. The eyeglasses have a frame with a bridge. Two pad arms may extend from the frame under the bridge. Two nose pads are provided at attach to the frames either directly or with the pad arms. Each of the nose pads contains a nose contact surface. Two complex pad structures are provided that either replace or attach to the nose pads. Each of the complex pad structures has a first contact surface and a second contact surface. The first contact surface lays parallel over the nose contact surface of the nose pad. The second contact surface is oriented to be generally perpendicular to the first contact surface. When the set of eyeglasses are lifted above the eyes, the second contact surface can directly rest against the wearer's head without causing discomfort.

Abstract: An inflatable bonnet cap system for wrapping around a user's hair featuring an inflatable headpiece with a series of inflatable horizontal and vertical tubes, each horizontal tube has connectors and a valve for inflation, and a spring ring having a spring ring tube constructed with accordion-style seams, the spring ring tube has connectors with valves for inflation. An insert edge is on the bottom edge of the bottommost horizontal tube, and a wedge is disposed on the top surface of the spring ring tube. The insert edge can be accepted into the wedge of the spring ring tube. The system of is inflatable and retractable.

Abstract: A hairnet suitable for retaining a person's hair in a desired position while providing comfort to the person when wearing a tight-fitting helmet or other headgear that comes into contact with the hairnet. The hairnet may include a net portion with a band connected along one edge of the net portion. The ends of the band then may be brought together, along with portions of the net portion, to a cinch point and bound with a cinch structure. The resulting cinch point may be advantageously worn at the nape of the neck, thus avoiding pressure points on other parts of the person's head. Methods of constructing the hairnet and using the hairnet with a helmet are also disclosed. Embodiments of the present hairnet may be made with materials used in the construction of conventional hairnets because of their familiarity, breathability, and generally disposable nature.

Abstract: A scarf with hairpiece device has a generally rectangular bandana with a first bandana surface, a second bandana surface, a first bandana side, a second bandana side, a third bandana side, and a fourth bandana side. The bandana has four quadrants. Arc-shaped first attachment means, second attachment means, and third attachment means are located on the first surface in the fourth quadrant offset from one another. A linear fourth attachment is located on the second surface in the first quadrant. A first sunglasses holding component has a strip located on the second surface in the first quadrant. A second sunglasses holding component has a strip located on the second surface in the third quadrant. The sunglasses holding components are attached on a first end and a second end with an open middle for allowing sunglasses legs to pass through.

Abstract: This face mask includes a right side sheet and a left side sheet which are mutually enantiomorphic. On a right side sheet and a left side sheet, a thermoplastic adhesive material is applied to the inner sides of ranges which include front edge strip portions which, during use, oppose the median line of the user's face; the right side sheet and the left side sheet are then laid together overlapping their inner sides; and heat is applied to areas of these front edge portions other than portions which, during use, oppose the nostrils and the mouth of the user, so that thereby the right side sheet and the left side sheet are joined together. By then opening out the right side sheet and the left side sheet in the direction to separate them, this face mask is caused to assume a three dimensional shape over its entire surface.

Abstract: A protective face mask includes an eye-protecting shield made essentially from a plastics material. The eye-protecting shield is dimensioned to cover at least the eye portions of a human wearer. The eye-protecting shield has a perimeter defining a first surface facing the wearer's face, and a second surface facing away from the wearer's face. An adhesive forms an adhesive strip attached to the first surface of the eye-protecting shield for providing a substantially watertight and releasable sealing engagement between at least a portion of the perimeter forming an upper edge of the face mask and at least a portion of the skin of the wearer's face.

Abstract: A flexible, non-absorbent sweatband includes a seal band sized to wrap around a wearer's head and a clip into which the free ends of the seal band are secured at the back of the wearer's head. An upwardly opening channel is integrally molded with the seal band to carry sweat dripping down the wearer's forehead to open channel ends behind the wearer's ears.

Abstract: A head-worn liquid shield has a substantially half-circled brim, a tautening edge portion, and a sealing tube that provides an effective sealing means for protecting a user's face, nose, ears and eyes from water, soap, shampoo and other hairdressing materials. The sealing tube is compressible to result in a diameter size automatically adjusted according to the pressure exerted on the sealing tube by the user's head.

Abstract: Disclosed embodiments include a protective headwear having a headband and an insulating drape and a method of manufacturing the same. Other embodiments may be described and claimed.

Abstract: A headwear garment is used for retaining a wearer's hair. The headwear garment has a head covering and a hair retaining sleeve. The head covering is open on one side for allowing a wearer to wear the head covering. The head covering has inner and outer surfaces with a channel formed through the inner and outer surfaces. The hair retaining sleeve has an opening formed in one end. The sleeve is affixed to the head covering and positioned to align the opening in the sleeve with the channel through the inner and outer surfaces of the head covering. When the head covering is worn by a wearer, the wearer's hair is able to be passed through the channel and into the sleeve through the opening.

Abstract: A splash guard for protecting a person's eyes, nose and ears from soap and other hairdressing preparations, such as shampoo, applied to a person's hair is provided having a body encircling a part of a person's head above the person's eyes, nose and ears. A sealing member preferably prevents the flow of water or hairdressing preparations between the splash guard and the head of the person. A gripping element is preferably provided to facilitate positioning and maintaining the splash guard in position. A securing mechanism can also be provided to help retain the splash guard in position.

Abstract: A hairnet suitable for retaining a person's hair in a desired position while providing comfort to the person when wearing a tight-fitting helmet or other headgear that comes into contact with the hairnet. The hairnet may include a net portion with a band connected along one edge of the net portion. The ends of the band then may be brought together, along with portions of the net portion, to a cinch point and bound with a cinch structure. The resulting cinch point may be advantageously worn at the nape of the neck, thus avoiding pressure points on other parts of the person's head. Methods of constructing the hairnet and using the hairnet with a helmet are also disclosed. Embodiments of the present hairnet may be made with materials used in the construction of conventional hairnets because of their familiarity, breathability, and generally disposable nature.

Abstract: A secure-fitting and absorbent elongated hood for containing, managing, and drying wet hair and preventing water from dripping onto flooring or onto the wearer's clothing during the hair drying or hair setting process, requiring no leaning forward of the head for application. Such elongated hood generally comprises an absorbent concave form-fitting cap having a centering button located thereon, a triangular wing of fabric extending from each of the left and right sides of said form-fitting cap of said elongated hood, reciprocal hook-and-loop fabric strips sewn onto each left and right triangular wing, an elongated tail region being progressively tapered from said concave form-fitting cap to a rounded and concave distal end and having an elastic loop for fastening purposes, and concave petal-shaped protuberances of absorbent fabric at such concave distal end for catching, retaining, and absorbing water dripping from the wearer's hair.

Abstract: Bandana Headwear, for all ages, is attractive, versatile, easily produced, having numerous uses and advantages. First, the flexible plastic headband, conforming comfortably to head, is removable for washing. Second, there are two ways to wear Bandana. Third, the optional, attached Visor may be worn three ways: extended outward, over top of Bandana, or tucked underneath. Fourth, Bandana and Visor are reversible when either has two fabric layers sewn together. Fifth, incorporating reversible Bandana with 3-way Visor allows twelve different looks. Sixth, larger Bandana with inner cap, completely covering head, was designed for those with total hair loss. This version, combining two end-tying methods and 3-way Visor, provides six different looks. Seventh, an attachable Visor, fastened with VELCRO, enables consumer to buy one Visor, wear with one or more of invention's Bandana styles without Visor or with any headwear with no Visor, unrelated to present invention.

Abstract: A two ply head covering in the form of a triangular scarf or babushka in which a weft of hair is secured to extend directly from the front edge of the babushka between opposing inturned forward edges of the babushka.

Abstract: A hair drying head-piece that absorbs moisture from the hair of a wearer, said headpiece having a cap portion having a top part and a bottom part, said cap bottom part having an opening sized to fit about the top of the wearer's head and said cap top part having a hole therein to allow at least a portion of the wearers's hair to exit the cap therethrough; and at least 4 flat water-absorbing fabric strips attached to the cap top part, each of the 4 flat water-absorbing fabric strips having a length of between 12 and 30 inches and a width between 0.6 inches and 2 inches, wherein said strips fall freely with the wearer's hair.

Abstract: A dual-purpose neck gaiter includes a hollow cylindrical gaiter body that has two insertion holes near one of two openings thereof, and an elastic cord member inserted through the insertion holes of the hollow cylindrical gaiter body for tying up one end of the hollow cylindrical gaiter body for enabling the dual-purpose neck gaiter to be used as a beanie. A first connector and a second connector may be respectively provided at the two ends of the elastic cord member for detachably joining the ends of the elastic cord member together.

Abstract: A protective face mask comprising: an eye-protecting shield made essentially from a plastics material, the eye-protecting shield being dimensioned to cover at least the eye portions of a human wearer, the eye-protecting shield having a perimeter defining a first surface facing the wearer's face, and a second surface facing away from the wearer's face; an adhesive forming an adhesive strip attached to the first surface of the eye-protecting shield for providing a substantially watertight and releasable sealing engagement between at least a portion of the perimeter forming an upper edge of the face mask and at least a portion of the skin of the wearer's face, wherein the upper part of the perimeter of the mask is provided with a continuous layer of adhesive along the perimeter, and the lower part of the perimeter of the mask is free of adhesive, the lower part of the perimeter forms a bottom edge of the mask being provided with at least one part forming a projection offset from the centre line of the mask, a