EP4069186A1 - Écran solaire cosmétique résistant à l'eau - Google Patents

Écran solaire cosmétique résistant à l'eau

Info

Publication number
EP4069186A1
EP4069186A1 EP20801238.5A EP20801238A EP4069186A1 EP 4069186 A1 EP4069186 A1 EP 4069186A1 EP 20801238 A EP20801238 A EP 20801238A EP 4069186 A1 EP4069186 A1 EP 4069186A1
Authority
EP
European Patent Office
Prior art keywords
inci
preparation
ethylhexyl
sodium stearoyl
stearoyl glutamate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20801238.5A
Other languages
German (de)
English (en)
Inventor
Heike VOLBRICH
Svenja Lügger
Imke Kuhlmann
Magdalena VON WEDEL-PARLOW
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beiersdorf AG
Original Assignee
Beiersdorf AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beiersdorf AG filed Critical Beiersdorf AG
Publication of EP4069186A1 publication Critical patent/EP4069186A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/29—Titanium; Compounds thereof
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A61K8/442—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof substituted by amido group(s)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/413—Nanosized, i.e. having sizes below 100 nm

Definitions

  • the present invention relates to the use of sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) in cosmetic sunscreens based on an O / W emulsion, which are free from vinylpyrrolidone / hexadecene copolymer and polyacrylates, to increase the water resistance of the preparation after use on the skin , as well as preparations and sunscreens in the form of an O / W emulsion containing a) sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) and b) titanium dioxide in the rutile crystal structure with a primary particle size of 2-100 nm, the preparation being free of vinylpyrrolidone / hexadecene Copolymer, polyacrylates, 3- (4- methylbenzylidene) camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzon) and 2-
  • UVA and UVB filters are in most industrialized countries in the form of positive lists such as Annex 7 of the Cosmetics Ordinance.
  • film formers are usually added to them, which are supposed to fix the UV filters on the skin with a polymer film they form.
  • these film formers have disadvantages with regard to the skin feeling they cause, which is described as “heavy” and “sticky” and, for example when used on the beach, leads to increased sand adhesion of the products.
  • This object is surprisingly achieved by the use of sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) in cosmetic sunscreens based on an O / W Emulsions that are free from vinylpyrrolidone / hexadecene copolymer and polyacrylates to increase the water resistance of the preparation after use on the skin.
  • sodium stearoyl glutamate INCI Sodium Stearoyl Glutamate
  • the sunscreen contains titanium dioxide in the rutile crystal structure with a primary particle size of 2-100 nm.
  • the sunscreen is free from 3- (4-methylbenzylidene) camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzon) and 2-ethylhexyl p-methoxycinnamate (INCI: ethylhexyl methoxycinnamate) .
  • a cosmetic sunscreen in the form of an O / W emulsion containing a) sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) and b) titanium dioxide in the rutile crystal structure with a primary particle size of 2-100 nm, the preparation being free of vinylpyrrolidone / hexadecene copolymers, polyacrylates, 3- (4- methylbenzylidene) camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzone) and 2-
  • Ethyihexyi p-methoxycinnamate (INCI: Ethylhexyl Methoxycinnamate).
  • the object is surprisingly achieved not least by a method for increasing the water resistance of cosmetic sunscreens which are in the form of an O / W emulsion and are free from vinylpyrrolidone / hexadecene copolymers and polyacrylates, characterized in that the preparation contains sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) is added in an amount of 0.3 to 1, 0% by weight, based on the total weight of the preparation.
  • sodium stearoyl glutamate INCI Sodium Stearoyl Glutamate
  • Ethylhexyl p-methoxycinnamate (INCI: Ethylhexyl Methoxycinnamate).
  • formulations “according to the invention”, “preparation according to the invention” etc. always relate to the preparations, methods and uses according to the invention, ie also to preparations in which the uses according to the invention are realized as well as preparations with which the method according to the invention is realized unless express restrictions have been made.
  • the preparation contains sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) in an amount of 0.1 to 1.0% by weight, based on the total weight of the preparation.
  • sodium stearoyl glutamate INCI Sodium Stearoyl Glutamate
  • the preparation contains sodium stearoyl glutamate (INCI Sodium Stearoyl Glutamate) in an amount of 0.2 to 0.5% by weight, based on the total weight of the preparation.
  • the concentration range from 0.3 to 0.5% by weight, based on the total weight of the preparation, is very particularly preferred.
  • Advantageous embodiments of the present invention are characterized in that the preparation is free from parabens, methylisothiazolinone, chloromethylisothiazolinone and DMDM hydantoin, and is free from polyethylene glycol, polyethylene glycol ethers and polyethylene glycol esters (so-called PEG derivatives).
  • the preparation contains one or more UV filters selected from the group of the compounds hexyl 2- [4- (diethylamino) -2-hydroxybenzoyl] benzoate (INCI: Diethylamino hydroxybenzoyl hexyl benzoate) , 4- (tert-butyl) -4'-methoxydibenzoylmethane, 2,4,6-Tris- [anilino- (p-carbo-2'-ethyl-1'-hexyloxy)] - 1,3,5- triazine (INCI: Ethylhexyl Triazone), 2,4-bis - ⁇ [4- (2-ethyl-hexyloxy) -2-hydroxy] -phenyl ⁇ -6- (4-methoxyphenyl) -1, 3,5-triazine ( INCI: bis-ethylhexyloxyphenol methoxyphenyl triazine),
  • the preparation contains one or more auxiliaries from the group of the compounds ethylhexylglycerol, propylene glycol, butylene glycol, 2-methylpropane-1,3-diol, 1,2-pentanediol, 1,2-hexanediol, 1, 2-octanediol, 1, 2-decanediol and / or 4-hydroxyacetophenone contains.
  • auxiliaries from the group of the compounds ethylhexylglycerol, propylene glycol, butylene glycol, 2-methylpropane-1,3-diol, 1,2-pentanediol, 1,2-hexanediol, 1, 2-octanediol, 1, 2-decanediol and / or 4-hydroxyacetophenone contains.
  • the preparation contains titanium dioxide in the rutile crystal structure with a primary particle size of 2-100 nm in a total amount of 0.5 to 5% by weight, based on the total weight of the preparation.
  • the preparation according to the invention contains exclusively titanium dioxide in the rutile crystal structure.
  • a titanium dioxide is considered to be present exclusively in the crystal structure if the total amount of other crystal structures does not exceed 1% by weight, based on the total amount of titanium dioxide.
  • the primary particle size of the titanium dioxide according to the invention is in the range between 5 and 50 nm.
  • Embodiments of the present invention that are advantageous according to the invention are characterized in that the titanium dioxide is coated with silica (silicon dioxide and / or silicic acid).
  • the titanium dioxide coated with silica has a layer of dimethicone, simethicone or methicone on the outer side of the silica layer (i.e. on the side facing away from the titanium dioxide).
  • dimethicone is particularly preferred according to the invention.
  • the secondary particle size of the titanium dioxide in the rutile crystal structure with a primary particle size of 2-100 nm is between 0.05 and 50 ⁇ m.
  • the range from 0.1 to 1 gm is preferred according to the invention.
  • the person skilled in the art takes the primary and secondary particle size from the following reference: SCCS / 1516/13 Opinion on Titanium Dioxide (nano form) Colipa No S75 of the Cosmetics Europe personal care association. It is advantageous according to the invention if the preparation contains cellulose gum (INCI cellulose gum) and / or xanthan gum (INCI xanthan gum). A content of cellulose gum and xanthan gum is preferred according to the invention.
  • cellulose gum INCI Cellulose gum
  • concentration of 0.05 to 1.0% by weight based on the total weight of the preparation.
  • the use concentration advantageous according to the invention for xanthan gum is from 0.1 to 1% by weight, based on the total weight of the preparation.
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation contains tetrasodium iminodisuccinate (INCI Tetrasodium iminodisuccinate).
  • the preparation according to the invention contains tetrasodium iminodisuccinate (INCI Tetrasodium Iminodisuccinate) in a concentration of 0.01 to 1.5% by weight, based on the total weight of the preparation.
  • concentration preferred according to the invention for tetrasodium iminodisuccinate is from 0.01 to 1.0% by weight, based on the total weight of the preparation.
  • cellulose gum INCI Cellulose gum
  • tetrasodium iminodisuccinate INCI Tetrasodium Iminodisuccinate
  • the preparation is tapioca starch and / or
  • the preparation according to the invention can moreover be composed like a customary cosmetic sunscreen agent. It has been found to be advantageous if the preparation contains one or more humectants.
  • the preparation according to the invention can advantageously contain humectants.
  • humectants moistureturizers
  • TEWL transepidermal water loss
  • humectants for the purposes of the present invention are, for example, glycerol, lactic acid and / or lactates, in particular sodium lactate, butylene glycol, propylene glycol, Biosaccaride Gum-1, Glycine soy, ethylhexyloxyglycerol, pyrrolidone carboxylic acid and urea.
  • polymeric moisturizers from the group of the water-soluble and / or water-swellable and / or water-gellable polysaccharides.
  • hyaluronic acid chitosan and / or a fucose-rich polysaccharide
  • a fucose-rich polysaccharide which is filed in the Chemical Abstracts under the registry number 178463-23-5 and z.
  • Fucogel®1000 from SOLABIA S.A.
  • Moisturizers can also be used advantageously as anti-wrinkle ingredients to protect against skin changes such as those caused by skin changes. B. occur in skin aging, can be used.
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation has one or more oils selected from the group of the compounds butylene glycol dicaprylate / dicaprate, phenethyl benzoate, C12-15 alkyl benzoate, dibutyl adipate; Diisopropyl sebacate, dicaprylyl carbonate, di-C12-13 alkyl tartrates, butyloctyl salicylate, diethylhexyl syringylidene malonate, hydrated castor oil dimerate, triheptanoin, C12-13 alkyl lactate, C16-17, alkyl benzoate, propylheptyl caprylate, diethyl hexiglycer 2,6 caprylate - Contains naphthalate, octyldodecanol, caprylic / capric triglyceride, ethylhexyl cocoate, isopropy
  • the preparation contains dibutyl adipate, butylene glycol dicaprylate / dicaprate and / or C12-C15 alkyl benzoate.
  • the water phase of the preparations according to the invention can advantageously contain customary cosmetic auxiliaries, such as, for example, alcohols, in particular those with a low carbon number, preferably ethanol and / or isopropanol or polyols with a low carbon number and their ethers, preferably propylene glycol, glycerol, electrolytes, self-tanners and, in particular, a or more thickeners, which or which can advantageously be selected from the group silicon dioxide, aluminum silicates, polysaccharides or their derivatives, e.g. B. Hy aluronic acid, xanthan gum, hydroxypropylmethyl cellulose, etc ..
  • customary cosmetic auxiliaries such as, for example, alcohols, in particular those with a low carbon number, preferably ethanol and / or isopropanol or polyols with a low carbon number and their ethers, preferably propylene glycol, glycerol, electrolytes, self-tanners and,
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation has one or more compounds selected from the Group of compounds alpha-lipoic acid, folic acid, phytoene, D-biotin, coenzyme Q10, alpha-glucosyl rutin, carnitine, carnosine, natural and / or synthetic isoflavonoids, flavonoids, creatine, creatinine, taurine, b-alanine, panthenol, magnolol, honokiol , Tocopheryl acetate, dihydroxyacetone; 8-hexadecen-1, 16-dicarboxylic acid, glycerylglycose, (2-hydroxyethyl) urea, vitamin E or its derivatives, hyaluronic acid and / or its salts and / or licochalcone A contains.
  • the preparation has one or more compounds selected from the Group of compounds alpha-lipoic acid, folic acid, phytoen

Landscapes

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

Abstract

L'invention concerne l'utilisation de stéaroyl glutamate de sodium (INCI sodium stearoyl glutamate) dans des produits d'écran solaire cosmétique sur la base d'une émulsion H/E qui sont exempts de copolymère de vinylpyrrolidone / hexadécène et de polyacrylates, pour augmenter la résistance à l'eau de la préparation une fois appliquée sur la peau, et des préparations et des produits d'écran solaire sous la forme d'une émulsion H/E contenant a) du stéaroyl glutamate de sodium (INCI sodium stearoyl glutamate) et b) du dioxyde de titane sous forme rutile avec une taille de particule primaire de 2 à 100 nm, la préparation étant exempte de copolymère de vinylpyrrolidone / hexadécène, de polyacrylates, de 3-(4-méthylbenzylidène)-camphre, de 2-hydroxy-4-méthoxybenzophénone (INCI : oxybenzone) et de p-méthoxycinnamate de 2-éthylhexyle (INCI : ethylhexyl methoxycinnamate). L'invention concerne également un procédé pour augmenter la résistance à l'eau de produits d'écran solaire cosmétique qui sont présents sous la forme d'une émulsion H/E et qui sont exempts de copolymère de vinylpyrrolidone / hexadécène et de polyacrylates, caractérisé par le fait que du stéaroyl glutamate de sodium (INCI sodium stearoyl glutamate) est ajouté à la préparation dans une quantité de 0,1 à 1,0 % en poids, par rapport au poids total de la préparation.
EP20801238.5A 2019-12-06 2020-11-04 Écran solaire cosmétique résistant à l'eau Withdrawn EP4069186A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019219068.5A DE102019219068A1 (de) 2019-12-06 2019-12-06 Wasserfestes kosmetisches Sonnenschutzmittel
PCT/EP2020/080879 WO2021110341A1 (fr) 2019-12-06 2020-11-04 Écran solaire cosmétique résistant à l'eau

Publications (1)

Publication Number Publication Date
EP4069186A1 true EP4069186A1 (fr) 2022-10-12

Family

ID=73131747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20801238.5A Withdrawn EP4069186A1 (fr) 2019-12-06 2020-11-04 Écran solaire cosmétique résistant à l'eau

Country Status (3)

Country Link
EP (1) EP4069186A1 (fr)
DE (1) DE102019219068A1 (fr)
WO (1) WO2021110341A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063825A1 (de) * 2010-12-22 2012-06-28 Beiersdorf Ag Kosmetische oder dermatologische wasserfeste Lichtschutzzubereitungen umfassend eine Kombination aus Polyacrylat- und Polyacrylamidverdicker
DE102011077082A1 (de) * 2011-06-07 2012-12-13 Beiersdorf Ag Verwendung von Epsilon-Polylysin zur Verbesserung der Wasserfestigkeitkosmetischer oder dermatologischer Formulierungen
DE102012200074A1 (de) * 2012-01-04 2013-07-04 Beiersdorf Ag Leichte, wasserfeste kosmetische Zubereitung
DE102015223261A1 (de) * 2015-11-25 2017-06-01 Beiersdorf Ag Sonnenschutzmittel enthaltend Titandioxid
DE102016223502A1 (de) * 2016-11-28 2018-05-30 Beiersdorf Ag UV-Filter haltiger, kosmetischer Schaum aus einer Emulsion enthaltend Natriumcetearylsulfat und Glycerylmonostearat
EP3360601A1 (fr) * 2017-02-09 2018-08-15 Omya International AG Carbonate de calcium fonctionnalisé pour renforcer la protection contre le soleil
DE102017202192A1 (de) * 2017-02-13 2018-08-16 Beiersdorf Ag Polymerkonzentrat für Sonnenschutzmittel
DE102018201594A1 (de) * 2018-02-02 2019-08-08 Beiersdorf Ag O/W-Emulsion mit photochemisch stabilen 4 -(tert.-Butyl)-4´-methoxydibenzoylmethan
DE102019215421A1 (de) * 2019-10-09 2020-01-09 Beiersdorf Ag Sonnenschutzmittel mit einem natürlichen, filmbildenen Polymer

Also Published As

Publication number Publication date
WO2021110341A1 (fr) 2021-06-10
DE102019219068A1 (de) 2021-06-10

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