WO2019098819A2 - Procédé d'élaboration de masques pour le soin de la peau, à base de polymères partiellement réticulés et procédé de réticulation partielle de polymères - Google Patents

Procédé d'élaboration de masques pour le soin de la peau, à base de polymères partiellement réticulés et procédé de réticulation partielle de polymères Download PDF

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Publication number
WO2019098819A2
WO2019098819A2 PCT/MX2019/000002 MX2019000002W WO2019098819A2 WO 2019098819 A2 WO2019098819 A2 WO 2019098819A2 MX 2019000002 W MX2019000002 W MX 2019000002W WO 2019098819 A2 WO2019098819 A2 WO 2019098819A2
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WO
WIPO (PCT)
Prior art keywords
skin
base material
masks
preparing
manufacture
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Ceased
Application number
PCT/MX2019/000002
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English (en)
Spanish (es)
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WO2019098819A3 (fr
Inventor
Ricardo OLVERA VILLA
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Individual
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Individual
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Publication of WO2019098819A3 publication Critical patent/WO2019098819A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds

Definitions

  • the present invention relates to the field of skin care, particularly it relates to a process for making masks for the care of the skin, using as a base material to prepare them, partially cross-linked polymers, which, when mixed with products used in the cosmetic practice, form a film that continually brings such products to the skin and that when removed helps to cleanse the skin; the polymers thus crosslinked and mixed retain their capacity to form thin, flexible, adhesive and micro porous films, which when applied and dried on the skin are resistant to light abrasion and allow free transpiration, so they can be kept for several hours without cause discomfort to the user and that while they are attached to the skin generate a tensor effect, reduce the apparent size of the pores, small cavities and expression lines, which when removed release the impurities as well as weakly adhering hair.
  • the invention includes a method for generating such partially crosslinked polymers.
  • masks have the same characteristics in that they are cloths impregnated with cosmetic formulations, which are preserved on the skin without any other effect, rather than constituting a means to maintain the skin exposed to the cosmetic formulation for a determined period, examples of this type of masks are those described in the patents number US 20070023048A1, US20080051860A1 and EP 2783594E1.
  • masks are products in the form of gels, emulsions or pastes, which also have the function of keeping the skin exposed to a cosmetic product for a certain time, without an additional effect, more than the one generated by the added cosmetic.
  • patent US 6419935B1 discloses a type of adhesive patch that is applied to the skin, which has the function of removing impurities from the skin, however it can not contain the amount of cosmetics that a mask contains on a regular basis. cosmetic purposes.
  • Patent No. WO 2014077519A1 describes the manufacture of a hydrogel as a base material to incorporate various cosmetics, however it contains a large amount of chemicals, comprises a complex manufacturing process and the content of cosmetic products that can be incorporated into it. limited to approximately 5 percent by weight, which limits its application.
  • the process for preparing a base material formed from partially retreated polymers is described, which constitute a basis for applying cosmetic treatments and for cleaning the skin, which when applied alone or mixed with products for the care of the skin, have the ability to form thin, adhesive and micro porous films, which when applied and dried on the skin generate a tensor effect, reduce the appearance of pores, slight cavities and fine lines and which when removed release the impurities and weakly adhering hair.
  • the base material thus created can be mixed with cosmetic products in proportions of up to about 25 weight percent relative to the total weight of the mixture to form masks with various cosmetic properties, which are determined by the added cosmetic products, and can be products that provide softness; that reduce the spots of the skin; products to moisturize it; products to reduce the size of the pores or the appearance of the lines of expression, products to give firmness to the skin or any other product with specific effects, since the base material object of this invention, being a water-based product, can be consider as an inert product, which does not react with the products used in current cosmetic practice.
  • An advantage that it has is that once the mask has dried on the skin, it constitutes a film that is resistant to light abrasion and that does not cause discomfort to the user, since it retains a great flexibility and allows the skin to freely transpire, the User keep it for several hours and even sleep with it while it remains applied on the skin of the face.
  • the means for generating the base material, for preparing the cosmetic masks, object of this invention is through the partial cross-linking of water-soluble polymers;
  • the process of partial cross-linking transforms the polymers into good film-forming agents which have the characteristics that when applied they are thin, viscous, very adhesive and that they are permeable to gases and vapors, so their use on the Skin does not cause discomfort to users, even when they are used for prolonged periods, because it allows the skin to breathe freely.
  • the characteristics of the base material object of this invention are the few manufacturing stages involved, as well as a minimum amount of products present in the formulation.
  • the composition of the base material includes only materials biocompatible, which reduces the risk of allergic reactions to the user, in addition to the base material is washable with water and any application in an unwanted area can be easily cleaned by rinsing with water.
  • the base material object of this invention in its base state, that is, before adding any other cosmetic formulation, is a viscous, adhesive and crystalline liquid which has the capacity to form, by itself, a thin film.
  • it also allows to be combined with practically any material or cosmetic formulation; once the mixture is made between the base material and the cosmetic product (s) involved, the mixture is spread on the skin to form a film a few millimeters thick; after about 30 minutes the mixture of the base material and the cosmetics that form the mask will have dried and the film will be firmly attached to the skin; simultaneously, during the drying process will initiate a tension process on the skin in all directions, generating even a tension force perpendicular to the skin, which is generated by the effect of shrinkage of the film during drying. This force perpendicular to the skin causes the interior of the pores to be pulled gently towards the surface, which evidently reduces its appearance.
  • pieces of woven fabric or not may be placed on it.
  • the mask While the user keeps the mask on the skin, it will experience a remarkable tensing effect, however, because the mask is constituted by a base material that forms a micro porous film, the user will not experience discomfort due to the blockage of the natural transpiration of the skin, since the base material of the mask allows the skin to freely transpire, because it is formed by a microscopic network of interlaced molecules that allow the passage of gases and vapors product of perspiration.
  • the advantages of the base material object of the present invention is that when mixed with the cosmetic products mentioned below, the film forming the mixture has a good consistency when dried, which gives it the advantage of being easily removed from a single product. piece or in large pieces, after a drying time of approximately 20 to 30 minutes, varying the resting time according to weather conditions, and leaving no residue.
  • the base material object of this invention after having been crosslinked and in its pure state (free of cosmetics or additives), can be mixed by an end user to create and apply its own cosmetic formulations in the form of masks, since the base material can also be mixed with natural products, such as infusions or concentrated extracts of herbal products, collagen, elastin and fatty oils, up to approximately 25 percent by weight in relation to the total weight of the mixture , which gives the end user a wide range of applications.
  • natural products such as infusions or concentrated extracts of herbal products, collagen, elastin and fatty oils
  • polyvinyl alcohol was chosen because until now, in the literature has not been found to generate any adverse effect on health, besides being a biocompatible material and not absorbed through of the skin; This innocuousness of polyvinyl alcohol is demonstrated by the large number of everyday products that contain it, even since years ago it has been used to make drops for lubricating the eyes, in addition to being present in medical implants.
  • polyvinyl alcohol polymers of different degrees of hydrolysis and / or different viscosities were used in the composition of the base material of the invention. It is possible in particular to use polyvinyl alcohol which has a degree of hydrolysis which it varies from 74 to 99% and / or has a viscosity ranging from 2.6 to 67 cps (2.6 to 67 mPa.s).
  • the amount of polyvinyl alcohol in the composition of the invention ranges from 1% to 20% by weight, and preferably from 5% to 15% by weight relative to the total weight of the composition
  • the amount of water in the composition of the invention may represent, for example, 80 to 99% by weight and preferably 85 to 95% by weight relative to the total weight of the composition.
  • the amount of citric acid or succinic acid in the composition of the invention may represent, for example, 0.005 to 0.04% by weight and preferably 0.02% by weight relative to the total weight of the composition
  • the energy of the photons or electrons used to induce crosslinking in the polymer and create the base material varies between 0.5 MeV (millions of electron volts) to a maximum of 10 MeV (millions of electron volts).
  • the amount of energy absorbed required to achieve partial crosslinking of the polymer forming the base material can vary between 1.0 J / kg (Joules per kilogram of material) up to 20 J / kg (Joule / per kilogram of material), preferably between 5 J / kg (Joule / kilogram of material) and 15 J / kg (Joule / kilogram of material).
  • the water was heated to approximately 80 ° C.
  • a 0.02% citric acid by weight was added in relation to the total mass of the formulation until solubilization.
  • 10% by weight, in relation to the total mass of the formulation, of polyvinyl alcohol was gradually added and a vigorous stirring was maintained until a homogenous mixture free of lumps was obtained.
  • the temperature of the mixture was lowered to room temperature. Subsequently the mixture was packed in closed containers and subjected to a bombardment process with photons, with energies of 1.33 MeV (Million electron volts) and 1.17 MeV (Million electron volts) for a sufficient time until the mixture absorbed an amount of energy between 5 Joules / kg (Joules per kilogram) of material and 15 Joules / kg (Joules / kilogram) of material, with this process a partial cross-linking of the polymer was achieved, without reaching the solidification, giving rise to a crystalline liquid, viscous, adhesive and with the ability to form microporous films when drying.
  • a bombardment process with photons, with energies of 1.33 MeV (Million electron volts) and 1.17 MeV (Million electron volts) for a sufficient time until the mixture absorbed an amount of energy between 5 Joules / kg (Joules per kilogram) of material and 15 Joules / kg (
  • the base material thus obtained is used in the following ways; the following examples, of compositions according to the invention, are given by way of illustration and without limitation, the amounts are given in percent by weight with respect to the total weight of the mixture, unless otherwise mentioned; those products that are in dry base were previously dissolved in the minimum amount of water to facilitate mixing:
  • Base material as skin cleansing agent, without adding any other component.
  • the base material thus prepared is applied and extended in the area of the skin to be cleaned to form a uniform film, some tenths of a millimeter thick.
  • the film thus applied is allowed to dry for half an hour or more and once dry it is removed by detaching it at one end. Because the base material adheres to the impurities present in the skin and also penetrates and adheres to the cavities that constitute the pores of the skin, when removing the film it will drag with it the impurities present in the applied area.
  • citric acid is an agent that improves the capacity of the base material, which constitutes the mask, to detach impurities; other components that can be added to the base material for the purpose of cleaning the skin are, but not limited to, products used in this field, such as glycolic acid, salicylic acid, lactic acid, tricarophocytic acid, carbolic acid.
  • the ability of the masks created to clean the skin improves substantially by adding these products, alone or in combination, with the base material.
  • ⁇ -hydroxy acids such as lactic, malic, tartaric, mandelic acids can be added to the base material, alone or in combination, in the proportions used in common practice; ⁇ -hydroxy acids such as salicylic acid and its adiates, hydroxy-2-alkanoic acids and their derivatives, and n-octanoyl-5-salicylic acids (or caprylic salicylic), n-decanoyl-5-salicylic acids, n-dodecanoyl-5-salicylic, n-octyl-5- salicylic, n-heptyloxy-5-salicylic, n-heptyloxy-4-salicylic.
  • the mixture is prepared by mixing the aforementioned products directly at room temperature and mixing gently. until homogenizing the mixture. Finishing the mixing process can be applied on the skin.
  • avocado oil can be added to the base material in the proportions used in common practice; calendula, apricot, sweet almonds, wheat germ, jojoba, mamey, macadamia nut, cucumber, grape seed, sunflower, olive; mineral oils, apricot kernel oil; synthetic oils such as hydrogenated polyisobutene (parieam oil), octyldodecanol, esters of fatty acids and fatty alcohol (of C6-C30), fatty alcohol ethers (of C4 to C30 saturated and / or branched); silicone oils, volatile silicone oils such as cidomethicones; the fluorinated oils, and their mixtures in the proportions recommended in current practice, which are typically less than 10% by weight.
  • synthetic oils such as hydrogenated polyisobutene (parieam oil), octyldodecanol, esters of fatty acids and fatty alcohol (of C6-C30), fatty alcohol ethers (of C4 to C30 saturated and /
  • the amount of oils can vary greatly, and may for example be from 0.1 to 10% by weight, preferably from 1 to 10 percent by weight relative to the total weight of the composition.
  • These and other oils can be mixed at room temperature with the base material or can be heated gently to facilitate mixing. Once the mixture is made, they can be applied on the skin and let them act for a while.
  • hydroglycolic extracts for cosmetic use such as hydroglycolic strawberry extract, apple hydro-glycolic extract; papaya hydroglycolic extract; Cucumber Hydroglycol Extract; in the proportions recommended in current herbal practice, which are typically less than 10 percent by weight relative to the total weight of the mixture, alone or in combination.
  • the mixture can be made at room temperature, mixing gently until homogenized and can be applied once the mixing is complete.
  • Extracts of natural products used as skin care remedies such as Sesame oil, Palm butter, Aloe Vera, Calendula, Sunflower extract, Mimosa, Cucumber, Orange flower wax, Oils avocado, and melon, water or rose oil, Salaginella.
  • the amounts of these different additive products are those typically used in the fields considered, for example, from 0.01 to 10 percent of the total weight of the composition, the mixture can be made at room temperature, mixing gently until homogenized and can Apply directly once mixed.
  • object of the invention can be added also additives customary in the cosmetic field, such as fillers, active ingredients, preservatives, antioxidants, perfumes, absorbents odor, anti-foaming agents, softness agents and coloring matters, insofar as the amount of additive does not alter the capacity of the base material to form the film.
  • additives customary in the cosmetic field such as fillers, active ingredients, preservatives, antioxidants, perfumes, absorbents odor, anti-foaming agents, softness agents and coloring matters, insofar as the amount of additive does not alter the capacity of the base material to form the film.
  • the amounts of these different additives are those typically used in the fields considered, for example, from 0.01 to 25 percent of the total weight of the composition, the preferred method for adding the materials, which are dry base, is to dissolve them previously in the least amount of water to obtain a homogeneous mixture that is subsequently mixed with the base material object of this invention.
  • the base material object of this invention can be mainly a cleaning and smoothing product of the skin, more particularly when it is mixed with cosmetic products to form a mask that helps to improve the effects of the added cosmetic products, mainly , but without being limited, to improve the care of the face, of a part of the face or of the neck and arms, in order to tighten and clean the skin in depth, by eliminating the dead cells of the stratum corneum.
  • the surface or for the elimination of fatty substances present in excess on the surface of the skin in order to strengthen it, soften it and / or prepare the skin to expose it to a particular subsequent treatment or to reduce spots; all of the above will depend on the cosmetic preparation that is incorporated into the base material, object of this invention, and that will form the mask.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne un procédé d'élaboration d'un matériau de base pour élaborer des masques qui s'utilisent pour nettoyer la peau et pour appliquer des produits cosmétiques sur la peau; la présente invention concerne l'élaboration d'un matériau de base créé à partir de polymères partiellement réticulés solubles dans l'eau, lequel s'applique seul ou en combinaison avec des produits cosmétiques synthétiques et/ou naturels et qui en séchant sur la peau forme une pellicule adhésive, souple, microporeuse, consistante et ferme, qui en séchant produit et entretient un effet marqué de tension sur la peau (lifting) qui sert à la fois de moyen pour appliquer simultanément des produits cosmétiques qui ont un but spécifique ou pour le nettoyage ou le soin de la peau, et qui, du fait de sa consistance, peut être retiré en grandes sections, sans l'inconvénient de laisser de résidus.
PCT/MX2019/000002 2017-11-16 2019-01-11 Procédé d'élaboration de masques pour le soin de la peau, à base de polymères partiellement réticulés et procédé de réticulation partielle de polymères Ceased WO2019098819A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2017014680A MX2017014680A (es) 2017-11-16 2017-11-16 Proceso para la elaboracion de mascarillas para el cuidado de la piel, usando como material base polimeros parcialmente reticulados y un metodo para reticularlos parcialmente.
MXMX/A/2017/014680 2017-11-16

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WO2019098819A2 true WO2019098819A2 (fr) 2019-05-23
WO2019098819A3 WO2019098819A3 (fr) 2019-08-08

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PCT/MX2019/000002 Ceased WO2019098819A2 (fr) 2017-11-16 2019-01-11 Procédé d'élaboration de masques pour le soin de la peau, à base de polymères partiellement réticulés et procédé de réticulation partielle de polymères

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1697830A1 (ru) * 1987-11-02 1991-12-15 1-Й Ленинградский Медицинский Институт Им.Акад.И.П.Павлова Состав дл получени антимикробной защитной пов зки
FR2813528B1 (fr) * 2000-09-07 2004-02-27 Oreal Composition cosmetique, et son utilisation comme masque de nettoyage de la peau
CN101461957B (zh) * 2007-12-19 2012-12-05 天津大学 有机硅交联的聚乙烯醇涂膜剂和制备方法及应用
IT1401727B1 (it) * 2010-09-10 2013-08-02 Lab Farmaceutici Krymi S P A Maschera vinilica con effetto pee-off ad uso topico contenente alte concentrazioni di acido trans-retinoico o 13-cis
US8673279B2 (en) * 2011-08-31 2014-03-18 Avon Products, Inc. Cosmetic liquid extractor comprising nonionic polymers
JP6096925B2 (ja) * 2012-12-11 2017-03-15 セキスイ スペシャルティ ケミカルズ アメリカ リミテッド ライアビリティ カンパニー パーソナルケア用途のためのｐｖｏｈコポリマー
CN105232354B (zh) * 2015-11-12 2018-01-16 广州沁瀚生物科技有限公司 生物透气美容用面膜及其制备方法
CN108078826A (zh) * 2017-12-21 2018-05-29 广东科玮生物技术股份有限公司 一种美白嫩肤面膜液及面膜
CN109125174A (zh) * 2018-09-21 2019-01-04 广州市瓷颜化妆品有限公司 一种v脸面膜

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WO2019098819A3 (fr) 2019-08-08
MX2017014680A (es) 2019-05-17

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