Patch for applying a cosmetic composition to the skin - Patent application

Abstract

The patch (1) comprises a substantially flat body (2) having an application surface (3) configured to be repositionably attached to the skin (P) by an adhesive-containing attachment layer (4), the body (2) having a blind cavity (6) configured to directly receive a cosmetic composition (C); The main body (2) is at least one layer (10) for receiving the cosmetic composition (C), the receiving layer (10) delimiting the bottom of the cavity, At least one intermediate layer (12) interposed between the receiving layer (10) and the application layer (4), the intermediate layer (12) defining the periphery of the cavity (6) and forming an application surface (3) around the cavity (6) for receiving the application layer (4). The present invention is made up of laminated layers including:

Description

[Technical field]

[0001] The present invention relates to a patch for contacting a cosmetic composition with the skin, comprising a substantially flat body having an application face configured to be repositionably attached to the skin by an application layer comprising at least one adhesive, the body having a blind cavity forming a bottom and opening onto the application face by an opening, the cavity configured to directly receive the cosmetic composition to be contacted with the skin, and a peripheral application face formed on the application face around the cavity, the application layer extending over the peripheral application face of the application face of the body. The term "patch" as defined herein and generally means an adhesive skin device that allows the diffusion of a substance on and / or through the skin. [Background technology]

[0002] Cosmetic compositions include, for example, cosmetic surface care products, color products, or / and make-up products.

[0003] More generally, a cosmetic product is a product as defined in EC Regulation No. 1223 / 2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products.

[0004] A patch of the aforementioned type, which comprises a plurality of partial cavities, the body and the application layer being made from silicone and attached by moulding or co-molding, is known from FR 3082723 A1.

[0005] Such patches have the advantage of enhancing the effectiveness of cosmetic compositions placed in various blind cavities and applied against the skin for variable application times, and also of being washable and reusable.

[0006] However, such patch designs are complex, expensive, and can encounter problems with silicone sticking to molds during patch manufacturing, thus resulting in a product that does not meet patch specifications. [Prior art documents] [Patent documents]

[0007] [Patent Document 1] FR3082723A1 Summary of the Invention [Problem to be solved by the invention]

[0008] The object of the present invention is to alleviate the above-mentioned drawbacks by providing an easy-to-use patch that delivers a maximum amount of cosmetic composition onto the very specific area being treated, thereby preserving its effectiveness. [Means for solving the problem]

[0009] To this end, the invention relates to a patch of the type previously described, the body of which consists of laminated layers, the laminated layers being: at least one layer for receiving the cosmetic composition, the receiving layer defining the bottom of the cavity; At least one intermediate layer interposed between the layer for receiving the cosmetic composition and the application layer, the intermediate layer defining the periphery of the cavity and forming, at the periphery of the cavity, an application surface for receiving the application layer. Includes.

[0010] Such patches help to enhance the effectiveness of cosmetic products: the action is concentrated on the surface to which the patch is applied, by creating at least a partial closure, favoring the opening of pores and thus accelerating the penetration of the cosmetic composition.

[0011] The adhesive layer is used to position and reposition the patch on the desired skin area at will, and the patch can be washed and refilled with the cosmetic composition for subsequent use.

[0012] The intermediate layer acts as a spacer, and its thickness determines the maximum volume of cosmetic composition that can be filled into the cavity, thus aiding in managing the application time.

[0013] The stacking of layers is extremely easy, fast and cheap to perform.

[0014] According to an alternative embodiment, the body further comprises a tie layer interposed between the intermediate layer and the receiving layer, the tie layer making it possible to protect the intermediate layer, in particular so that the material of the receiving layer does not penetrate into the material of the intermediate layer.

[0015] According to another alternative embodiment, the intermediate layer is made from foam.

[0016] Such materials provide comfort to the user, provide flexibility to the patch, and accommodate lateral deformation across the thickness of the patch.

[0017] According to an advantageous alternative embodiment, the attachment layer comprises a biocompatible adhesive intended to be applied onto the skin, such an adhesive in particular ensuring sufficient retention over time and good ability to reposition the patch on the skin.

[0018] According to another alternative embodiment, the application layer includes an adhesive on its surface in contact with the intermediate layer, the adhesive having a stronger adhesiveness than the adhesiveness of the application layer on its application surface opposite the intermediate layer, in this way the application layer does not detach from the patch and does not leave a residue on the skin when the patch is removed after use.

[0019] According to another alternative embodiment, at least one adhesive of the attachment layer has a viscosity of 8 g / m 2 ~300g / m 2Preferably, the adhesive of the application layer comprises or consists of silicone, in particular silicone gel. In this embodiment, the adhesive of the application layer has a mass density of 20 g / m 2 ~300g / m 2 of preferably 100 g / m 2 ~200g / m 2 For details, see 145g / m 2 ~155g / m 2 Alternatively, the adhesive of the application layer comprises or consists of an acrylic adhesive. In this alternative embodiment, the adhesive of the application layer has a mass density of 8 g / m 2 ~50g / m 2 For details, see 20g / m 2 Such a density allows the patch to be sufficiently flexible and conformable to all body types, and the receptor layer is sufficiently flexible to allow mixing and rubbing of the cosmetic composition, thus further penetrating the cosmetic composition.

[0020] According to another alternative embodiment, the layer for receiving the cosmetic composition is made from an occlusive or moisture permeable material.

[0021] The occlusive material further enhances the effectiveness of the patch, making it particularly suited for use with cosmetic compositions for quick care.

[0022] An occlusive material is one that has close to zero breathability.

[0023] The breathability of a material is determined by its Moisture Vapor Transmission Rate (MVTR).

[0024] MVTR is g / m 2 Measured in 24h.

[0025] The MVTR is tested according to the NF EN13726-2 standard.

[0026] The higher the MVTR, the more breathable and less obstructive the material is.

[0027] The moisture permeable material is particularly adapted for the use of cosmetic compositions for long-term care, by providing more comfort to the user.According to an alternative embodiment, the blind cavity is divided into multiple partial cavities.The presence of multiple partial cavities in the patch allows for the application of one or more cosmetic compositions as required, which are optionally, for example, anti-wrinkle compositions, moisturizing compositions, decongestant compositions, acne treatment compositions, etc.

[0028] According to another alternative embodiment, - the receiving layer defines a peripheral edge, and the intermediate layer includes a peripheral edge having the same contour as the peripheral edge of the receiving layer; The cavity is continuously sealed around its periphery by the intermediate layer.

[0029] The invention also relates to an assembly including a patch as defined above, the storage sheet being intended to receive the patch when it is not in use.

[0030] The patch is repositionable and the storage sheet is used to protect the patch from any dust and maintain good retention of the patch on the skin when the patch is not in use.

[0031] The present invention also relates to a kit comprising a patch as defined above and one or more cosmetic compositions that can be flowed, such as one or more liquid or pasty compositions or in gel or powder form, intended to be filled into the cavity or partial cavity of the patch.

[0032] Such a kit allows for the creation of an accidental mixture of cosmetic compositions within the cavity or partial cavity, and for these compositions to be mixed after the patches are brought together, thanks to the highly malleable or flexible receiving layer.

[0033] Finally, the present invention provides the following: - providing a patch as defined above; - filling each of the cavities or sub-cavities with a cosmetic composition; - placing the patch on the skin with the cavity opening facing the skin; - attaching the patch to the skin by means of an adhesive layer; - rubbing the receptor layer to dispense the cosmetic composition; The present invention relates to a method for using a patch as defined above, comprising:

[0034] According to an alternative embodiment, - the method comprises an initial step of removing the patch from a storage sheet to which the patch is initially attached by an application layer, - the method further comprises the steps of: - removing the patch from the skin; - washing the patch, in particular with water, to remove any cosmetic composition remaining in the cavities or partial cavities; - attaching the patch to a storage sheet by means of an attachment layer; Includes.

[0035] The invention will be better understood on reading the following description, given purely by way of example, with reference to the accompanying drawings, in which: [Brief description of the drawings]

[0036] [Figure 1] FIG. 2 is a top view of an example embodiment of a patch according to the present invention disposed on its storage sheet. [Diagram 2] 2 is a schematic cross-sectional view of the patch of FIG. 1 taken along plane II-II of FIG. 1 and applied to the skin of a user; [Diagram 3] 2 is a schematic diagram of the patch of FIG. 1 on a user's face. [Figure 4] FIG. 2 is a schematic diagram of a patch according to a second example embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0037] A patch 1 according to an example embodiment is shown in FIG.

[0038] In FIG. 1, patch 1 is configured to be placed on a user's face.

[0039] 1 to 3 show an example embodiment of a patch according to the present invention, where patch 1 is configured to be placed under a user's eye to contact this area of ​​skin with one or more cosmetic compositions.

[0040] More specifically, patch 1 illustrated in the figures is configured to contact one or more cosmetic compositions with an area of ​​the user's skin that is located under the right eye.

[0041] As can be seen particularly in FIG. 1, the patch 1 comprises a substantially planar body 2 and an on-skin adhesive layer 4 disposed about the periphery of the body.

[0042] By substantially flat, it is meant that the body 2 has a first dimension and a second dimension measured along two perpendicular axes, e.g., length and width, that are substantially greater, e.g., at least twice as greater, than a third dimension, e.g., thickness, of the patch, measured along a third axis perpendicular to the first two.

[0043] The body 2 is made up of laminated layers.

[0044] The main body 2 has an application surface 3 configured to be attached to the skin of a user by means of an attachment layer 4 .

[0045] The attachment layer 4 comprises at least one adhesive.

[0046] Moreover, as can be seen in FIG. 2, the application layer 4 of the patch 1 allows its application on a storage sheet 5 when the patch is not in use.

[0047] The storage sheet 5 is intended to be removed before the first use and protects the patch 1 from impurities.

[0048] The storage sheet 5 is advantageously made from polyester or polyolefin.

[0049] According to the invention, the body 2 of the patch 1 has at least one blind cavity 6 forming a base 7 and opening into an opening O on the application surface 3 .

[0050] This cavity 6 is intended to directly receive a cosmetic composition C that is intended to be brought into contact with the skin area to be treated.

[0051] Moreover, the body 2 of the patch 1 according to the invention has a peripheral application surface 8 formed on the application surface 3 around the cavity 6 .

[0052] The adhesive layer 4 is applied onto the peripheral adhesive surface 8 of the application surface 3 of the body 2, ensuring the application of the patch 1 onto the skin area to be treated.

[0053] According to an advantageous arrangement of the patch 1 according to the invention, the peripheral application surface 8 closes onto itself so as to create a seal around the blind cavity 6 between the patch 1 and the skin area to be treated, thereby making it possible to keep the cosmetic composition C filled in the cavity 6 in contact with the skin for the entire duration of the treatment.

[0054] A closed space is formed by the patch 1 between the blind cavity 6 of the patch and the skin area to which the patch 1 is applied, and such closed space helps to enhance the skin care effect of the cosmetic composition C filled in the blind cavity 6 of the patch 1.

[0055] The closed spaces favor opening of the pores, accelerating the penetration of the cosmetic composition.

[0056] This also makes it possible to increase the amount of cosmetic composition available for treatment, and therefore the application time, without the user having to worry, since the patch 1 is adhesive.

[0057] Moreover, the body 2 is made from a material that is impermeable to the cosmetic composition C.

[0058] Thus, when the patch 1 is placed on the skin P, the cosmetic composition C filled in the blind cavity 6 is confined in the space formed between the cavity 6 and the skin P and can diffuse exclusively in the direction of the skin area to be treated through the opening O of the cavity 6, which is positioned opposite this area.

[0059] Preferably, the adhesive layer 4 is made from a water-insoluble material so that the patch 1 according to the invention can be reused after washing with water to remove residual cosmetic composition C filled in the cavity 6 of the patch 1 without the adhesive layer 4 being detached from the body 2 of the patch 1 in case of a previous application on the skin P.

[0060] According to a first advantageous embodiment, the layer 4 comprises a substrate coated on both sides with an adhesive.

[0061] The substrate is, for example, a thin film made of polyurethane.

[0062] The substrate has, for example, a thickness of about 30 microns.

[0063] The application layer 4 of the patch 1 according to the invention is advantageously provided on its application surface 3 with a pressure-sensitive adhesive.

[0064] Such a material for the application layer 4 is particularly advantageous since it enables the patch 1 according to the invention to be washable with water and reusable, the application layer 4 not losing its adhesive power to the skin after washing. Moreover, such a material for the application layer 4 creates an enhanced seal between the patch 1 and the user's skin.

[0065] The adhesive is advantageously a biocompatible adhesive intended to be applied onto the skin.

[0066] "Biocompatible adhesive" means, according to the present invention, any compound that has the property of adhering to biological tissue, for example mucous membranes or skin, when said compound is applied. To be biocompatible, an adhesive must be suitable for use on biological tissue without causing side effects such as inflammation of the biological tissue.

[0067] Preferably, the biocompatible adhesive comprises or consists of a silicone, in particular a silicone gel.

[0068] Such adhesives particularly ensure sufficient hold over time and good repositioning of the cosmetic article on the skin.

[0069] Repositionability reflects the ability of the cosmetic article to be positioned, removed, and then repositioned if it needs to be returned to its correct position.

[0070] For example, the biocompatible adhesive is selected from Silpuran® 2114, Silpuran® 2142, for example sold by WACKER, Silbione® 4743 or Silbione® 4645, “Nero / Black” silicone gel, for example sold by ELKEM, etc.

[0071] If the adhesive comprises silicone, in particular silicone gel, or consists of silicone gel, the adhesive of the attachment layer 4 on the application surface 3 has a viscosity of 20 g / m 2 ~300g / m 2 , preferably 100 g / m 2 ~200g / m 2 , in detail 145g / m 2 ~155g / m 2 has a mass density of

[0072] Preferably, the adhesive of the attachment layer 4 has a viscosity of 20 g / cm 2 More than 35g / cm 2 More preferably, 50 g / cm 2or greater, which is measured by the "probe tack" test.

[0073] For example, the adhesive of the attachment layer 4 is 50 g / cm 2 ~600g / cm 2 , preferably 150 g / cm 2 ~500g / cm 2 , in detail 350g / cm 2 ~450g / cm 2 It has a viscosity of.

[0074] Moreover, the adhesive of the attachment layer 4 preferably has a hardness of 5 Shore A to 20 Shore A, preferably 10 Shore 00 to 20 Shore 00.

[0075] Advantageously, the adhesive of the attachment layer 4 has a viscosity of between 500 mPa.s and 3000 mPa.s, preferably between 1000 mPa.s and 2000 mPa.s.

[0076] According to another example, the adhesive of the attachment layer 4 on the application surface 3 comprises or consists of a biocompatible acrylic adhesive.

[0077] Such an adhesive ensures good repositionability of the cosmetic article on the skin.

[0078] The adhesive of the attachment layer 4 on the application surface 3, if it comprises or consists of an acrylic adhesive, is preferably 8 g / m 2 ~50g / m 2 For details, see 20g / m 2 has a mass density close to

[0079] Such adhesives further have a viscosity that is approximately ten times stronger than that of silicone gel.

[0080] High viscosity results in increased retention on the skin.

[0081] The acrylic adhesive has the further advantage of reducing the bonding surface and therefore ensuring good retention of the patch 1 on the skin P while maximizing the space available for other uses of the patch 1, such as cavity 6.

[0082] The body 2 of the patch 1 includes a layer 10 for receiving a cosmetic composition C.

[0083] The layer for receiving the cosmetic composition C 10 is intended to receive the cosmetic composition C.

[0084] The receiving layer 10 forms the bottom 7 of the patch 1 .

[0085] The receptive layer 10 is thin enough to allow the user to rub it, thus enhancing the effectiveness of the treatment due to this mechanical effect.

[0086] The thickness of the receiving layer 10 is, for example, 5 microns to 200 microns, specifically, 20 microns to 40 microns.

[0087] The receiving layer 10 is advantageously made from an occlusive or moisture-permeable material.

[0088] The plugging material is advantageously polyethylene (PE) or polypropylene (PP).

[0089] The moisture permeable material is preferably polyurethane.

[0090] In accordance with this alternative embodiment, the moisture permeable material is advantageously completely water impermeable.

[0091] Layer 10 is impermeable to cosmetic composition C.

[0092] The body 2 of the patch 1 includes an intermediate layer 12 .

[0093] The intermediate layer 12 is disposed between the application layer 4 and the receiving layer 10 .

[0094] Advantageously, receiving layer 10 defines a peripheral edge 13 and intermediate layer 12 includes a peripheral edge 14 having the same contour as peripheral edge 13 of receiving layer 10 .

[0095] The intermediate layer 12 is in the form of a strip closed upon itself, forming at least a part of the cavity 6 in its centre.

[0096] The cavity 6 is continuously closed at its periphery by the intermediate layer 12. The thickness of the intermediate layer 12 determines the amount of cosmetic composition C that the cavity 6 can contain. The thicker the intermediate layer 12, the greater the usable amount of cosmetic composition C.

[0097] The intermediate layer 12 is made of a material that accommodates lateral deformations relative to the thickness of the patch 1 .

[0098] The intermediate layer 12 provides comfort to the user and flexibility to the patch 1 .

[0099] The intermediate layer 12 advantageously comprises a foam, preferably made from polyethylene.

[0100] The thickness of the intermediate layer 12 is, for example, 0.3 mm to 2.5 mm, and preferably close to 0.5 mm.

[0101] According to a first embodiment of the attachment layer 4, said attachment layer 4 comprises an adhesive on its face 4' in contact with the intermediate layer 12.

[0102] The adhesive on the surface 4' in contact with the intermediate layer 12 is, for example, an acrylic adhesive.

[0103] The adhesive on the face 4' in contact with the intermediate layer 12 is advantageously 30 g / m 2 ~50g / m 2 For details, see 40g / m 2 has a mass density close to

[0104] The adhesive on the surface 4' in contact with the intermediate layer 12 has a stronger adhesiveness than the adhesiveness of the attachment layer 4 on its application surface 3 opposite the intermediate layer 12. Indeed, it is important that the attachment layer 4 adheres to the patch 1 and not to the skin P when the patch 1 is removed.

[0105] Adhesion is characterized, for example, by stickiness.

[0106] The adhesive present on the surface 4' in contact with the intermediate layer 12 makes it possible to protect the intermediate layer 12, in particular when the intermediate layer 12 is made of foam, so that the adhesive on its application surface 3 opposite the intermediate layer 12 does not penetrate into the air bubbles of the foam.

[0107] According to a second embodiment of the attachment layer 4, said attachment layer 4 is a monolayer of adhesive.

[0108] Said adhesive is advantageously a biocompatible adhesive as previously described.

[0109] The adhesive is 8 g / m 2 ~300g / m 2 In particular, when the adhesive of the application layer 4 on the application surface 3 comprises or consists of silicone, in particular silicone gel, said adhesive preferably has a mass density of 100 g / m 2 ~200g / m 2 , in detail 145g / m 2 ~155g / m 2 Alternatively, if the adhesive of the application layer 4 on the application surface 3 comprises or consists of an acrylic adhesive, said adhesive preferably has a mass density of 8 g / m 2 ~50g / m 2 For details, see 20g / m 2 has a mass density close to

[0110] The body 2 of the patch 1 further comprises a tie layer 15 interposed between the receptor layer 10 and the intermediate layer 12 .

[0111] The bonding layer 15 is in the form of a strip closed upon itself, forming in its center at least a portion of the cavity 6. The outer and inner contours of the bonding layer 15 are disposed with the outer and inner contours of the intermediate layer 12, respectively.

[0112] The bonding layer 15 advantageously comprises a thin film provided with an adhesive on both sides, the adhesive of the bonding layer 15 being, for example, an acrylic adhesive.

[0113] The thin film of the tie layer 15 is made, for example, from polyurethane (PU) and has a thickness, for example, of about 30 microns.

[0114] Advantageously, the adhesive of the bonding layer 15 is 40 g / m 2 It has a density close to

[0115] Such an embodiment of the bonding layer 15 facilitates industrial production and reduces the manufacturing costs of the patch 1 .

[0116] Alternatively, tie layer 15 is a monolayer of adhesive.

[0117] The adhesive of the bonding layer 15 is, for example, an acrylic adhesive.

[0118] The tie layer 15 enables the receiving layer 10 and the intermediate layer 12 to be held together.

[0119] According to an advantageous arrangement of the patch 1 according to the invention, the volume of the cavity 6 is greater than or equal to 0.1 mL, preferably greater than or equal to 0.2 mL, more preferably greater than or equal to 0.5 mL, for example close to 1 mL.

[0120] However, in particular if the area of ​​skin to which the patch 1 is intended to be applied has a large surface area, the volume of the cavity 6 may be greater than 1 mL, for example of the order of 3 mL or more.

[0121] The thickness of the cavity 6 is, for example, 0.2 mm to 3 mm, and more specifically, close to 0.5 mm.

[0122] Thus, the cavity 6 of the patch 1 according to the invention is capable of receiving a sufficient amount of the cosmetic composition C so that the cosmetic composition C is in contact with the user's skin P for the entire desired treatment time.

[0123] The patch 1 can be presented in a wide variety of shapes: for example, the body 2 has a shape adapted to the treatment of areas of the skin corresponding to the eye contour, the lips, the forehead or areas of the skin of limited dimensions, for example for localized treatment after the occurrence of acne.

[0124] According to an alternative embodiment shown in Fig. 4, the cavity 6 is divided into a number of sub-cavities 18 separated by partitions 20. In the particular example of a patch 1 to be placed under the eye, when the patch 1 is placed under the right eye of a user, a first sub-cavity 21 of the patch, located near the inner corner of the user's right eye, may be advantageously filled with a decongestant cosmetic product, three adjacent sub-cavities 22, 23, 24 located generally perpendicular to the user's right eye may be advantageously filled with a cosmetic dark circle concealer composition, and a final sub-cavity 25, located near the outer corner of the user's right eye, may be advantageously filled with a cosmetic wrinkle-reducing composition.

[0125] According to a second aspect, the invention proposes a method for using the patch 1 as previously described.

[0126] In a first step of the method according to the invention, the patch 1 is provided in an initial state by being attached to a storage sheet 5 as shown in FIG. 1, and the user removes the patch 1 from the storage sheet 5 to which the patch 1 is initially attached by the attachment layer 4.

[0127] The user then fills cavity 6 with cosmetic composition C.

[0128] The user then places the patch 1, with the opening O of the cavity 6 facing the skin P, against the area of ​​the skin P to be treated, in this case under the right eye as shown in FIG. 3, and attaches the patch 1 by the attachment layer 4 by applying a certain pressure thereon, more specifically a certain force of the order of a few Newtons, so that the attachment layer 4 adheres to the skin P.

[0129] The user then rubs the receptor layer 10 to distribute the cosmetic composition C onto the area of ​​skin P being treated.

[0130] Once the desired care time has elapsed, the user can remove the patch 1 from the skin P and then wash it, in particular with water, in order to remove the cosmetic composition C within the cavity.

[0131] The patch 1 can then be attached by the user onto the storage sheet 5 by means of the adhesive layer 4, which retains its adhesive power even after being washed with water.

[0132] The assembly formed of the patch 1 according to the present invention and its storage sheet 5 can then advantageously be stored in a sealed box until the next use of the patch 1, so as to prevent the patch 1 from being exposed to dust which could soil the adhesive layer 4 and thus impair subsequent good retention of the patch 1 on the skin P.

[0133] In embodiments in which the biocompatible adhesive of the attachment layer 4 comprises or consists of an acrylic adhesive, the patch 1 cannot be washed and cannot be reused.

[0134] Advantageously, to manufacture the patch 1, the receiving layer 10 is cut to the desired shape. According to an alternative embodiment in which the bonding layer 15 comprises a thin film provided with adhesive on both sides, the bonding layer 15 is cut to the desired shape and then coated with adhesive and attached by deposition on the receiving layer 10. According to an alternative embodiment in which the bonding layer 15 is a monolayer of adhesive, it is applied onto the receiving layer 10.

[0135] The intermediate layer 12 is cut to the desired shape and then attached by deposition onto the tie layer 15 .

[0136] According to an alternative embodiment in which the attachment layer 4 comprises a substrate coated on both sides with adhesive, the substrate of the attachment layer 4 is cut to the desired shape and then provided with adhesive on its application surface, with the adhesive on the other surface 4' intended to be in contact with the intermediate layer 12, which is then attached by deposition on the intermediate layer 12.

[0137] According to an alternative embodiment in which the attachment layer 4 is a monolayer of adhesive, the attachment layer 4 is cut to the desired shape and then attached by deposition onto the intermediate layer 12 .

[0138] According to an alternative embodiment of the patch 1, and in particular the patches, the bonding layer 15, the intermediate layer 12 and the application layer 4, in particular in sheet form, can be superimposed and bonded by the various adhesives previously mentioned and then cut together to form the opening O of the patch 1. The subassembly thus formed, in particular presented in the form of a sheet stack perforated with a number of openings O, is then mounted on the receiving layer 10, in particular also in sheet form, and bonded to it by the adhesive of the bonding layer 15. A final cutting operation of the assembly thus formed allows the contour of the patch 1, and in particular the patches 1, to be formed in the desired shape. According to this alternative embodiment, which is particularly advantageous from the point of view of industrial implementation, the patches 1 can be formed simultaneously by a simultaneous cutting operation of the openings O and the contour, for example by means of a die provided with a number of punch holes of adapted shape and arranged in relation to one another to minimize material offcuts.

[0139] The patches 1 obtained by the various alternative process embodiments described above are then placed on a storage sheet 5, either individually or in groups, optionally cut or subsequently notched, to form a set of patches 1 on an individual or removable storage sheet 5, ready for use.

[0140] The method can be carried out automatically and extremely quickly.

[0141] Although the patch according to the invention has been described in relation to its application for treating the under-eye area, such use is non-limiting and the patch according to the invention may certainly be used on other areas of the user's skin, such as on the forehead or cheeks, in particular for the local treatment following the onset of acne. [Explanation of symbols]

[0142] 1 Patch 2 Main unit 3 Applicable aspects 4. Adhesive layer 4′ plane 5. Save Sheet 6 Blind Hollow 7 Bottom 8 Peripheral attachment surface 10th layer, receptive layer 12 Middle Class 13 Outer periphery 14 Outer periphery 15 Bonding layer 18 semi-hollow 20 Bulkhead 21 First half cavity 22 Half hollow 23 semi-hollow 24 semi-hollow 25 semi-hollow C. Cosmetic Composition O opening P skin

Claims

1. A patch (1) for contacting a cosmetic composition (C) with skin (P), comprising: The patch (1) comprises a substantially flat body (2), The body (2) an application surface (3) configured to be repositionably attached to the skin (P) by an attachment layer (4) comprising at least one adhesive, the application surface (3) having a cavity (6) forming a bottom (7) and opening at the application surface (3) via an opening (O), the cavity (6) configured to directly receive the cosmetic composition (C) for contact with the skin (P); a peripheral application surface (8) formed on the application surface (3) around the cavity (6), the application layer (4) extending over the peripheral application surface (8) of the application surface (3) of the body (2); The patch (1) has The body (2) is made of laminated layers, The laminated layers are At least one receiving layer (10) for receiving said cosmetic composition (C), said receiving layer (10) forming the bottom boundary of said cavity; at least one intermediate layer (12) interposed between said receiving layer (10) for receiving said cosmetic composition (C) and said application layer (4), said intermediate layer (12) forming the boundary of said cavity (6) and forming said application surface (3) for receiving said application layer (4) around said cavity (6); Equipped with The patch (1), wherein the attachment layer (4) comprises an adhesive on a surface (4') of the attachment layer (4) that is in contact with the intermediate layer (12), and the adhesive has an adhesive property on the application surface (3) of the attachment layer (4) located opposite the intermediate layer (12) that is stronger than the adhesive property of the attachment layer (4).

2. 2. The patch (1) according to claim 1, wherein the body (2) comprises a bonding layer (15) interposed between the intermediate layer (12) and the receiving layer (10).

3. The patch (1) according to claim 1 or 2, wherein the intermediate layer (12) is made of foam.

4. The patch (1) according to any one of claims 1 to 3, wherein the attachment layer (4) comprises a biocompatible adhesive for application onto the skin.

5. The patch (1) according to any one of the preceding claims, wherein at least one adhesive of the attachment layer (4) has a mass density of between 8 g / m2 and 300 g / m2.

6. The patch (1) according to any one of claims 1 to 5, wherein said layer (10) for receiving said cosmetic composition (C) is made from an occlusive or moisture-permeable material.

7. A patch (1) according to any one of the preceding claims, wherein the cavity (6) is divided into a number of sub-cavities (18).

8. said receiving layer (10) defining a boundary of a peripheral edge (13); A patch (1) according to any one of the preceding claims, wherein the intermediate layer (12) comprises an outer periphery (14) having the same contour as the outer periphery (13) of the receiving layer (10).

9. The patch (1) according to any one of the preceding claims, wherein the intermediate layer (12) continuously seals the periphery of the cavity (6).

10. An assembly comprising a patch (1) according to any one of claims 1 to 9 and a storage sheet (5) for receiving the patch (1) when the patch (1) is not in use.

11. A kit comprising a patch (1) according to any one of claims 1 to 9 and one or more flowable cosmetic compositions intended to fill the cavity (6) or partial cavity (18) of said patch (1), The kit, wherein the cosmetic composition is one or more liquid or paste compositions, or in gel or powder form.

12. A method for using a patch (1) according to any one of claims 1 to 9, comprising: - preparing a patch according to any one of claims 1 to 7, - filling said cavity (6) or each of the partial cavities (21, 22, 23, 24, 25) with said cosmetic composition (C); - applying said patch (1) to said skin (P) with said opening (O) of said cavity (6) facing said skin (P); - attaching said patch (1) to said skin by means of said adhesive layer (4); - rubbing said receptor layer (10) to distribute said cosmetic composition (C); The method comprises:

13. 13. The method according to claim 12, wherein the method comprises a first step of removing the patch (1) from a storage sheet (5) to which the patch (1) is initially attached by means of the application layer (4).

14. The method further comprising: - removing said patch (1) from said skin (P); - washing said patch (1) in order to remove any of said cosmetic composition (C) remaining in said cavity (6) or in said partial cavities (21, 22, 23, 24, 25); - attaching said patch (1) to a storage sheet (5) by means of said attachment layer (4); The method according to claim 12 or 13, comprising:

Images