WO2006034992A1 - Organische mikropigmente enthaltende kosmetische lichtschutzemulsionen - Google Patents
Organische mikropigmente enthaltende kosmetische lichtschutzemulsionen Download PDFInfo
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- WO2006034992A1 WO2006034992A1 PCT/EP2005/054755 EP2005054755W WO2006034992A1 WO 2006034992 A1 WO2006034992 A1 WO 2006034992A1 EP 2005054755 W EP2005054755 W EP 2005054755W WO 2006034992 A1 WO2006034992 A1 WO 2006034992A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
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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
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
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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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/27—Zinc; Compounds thereof
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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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/29—Titanium; Compounds thereof
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
- A61K8/375—Esters of carboxylic acids the alcohol moiety containing more than one hydroxy group
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/496—Triazoles or their condensed derivatives, e.g. benzotriazoles
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/4966—Triazines or their condensed derivatives
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- 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
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- 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 a cosmetic O / W emulsion containing an O / W emulsifier system, one or more emulsifiers having an HLB value of less than 8 and particulate organic sunscreen filter pigments.
- UVA and UVB filters are summarized in most industrialized countries in the form of positive lists such as Appendix 7 of the German Cosmetics Regulation.
- a special form of UV sunscreen filter substances are the micropigments.
- the UV protection effect of the micropigments is based on the physical effects of reflection and light scattering.
- cosmetic preparations are used as micropigments almost exclusively inorganic micropigments of titanium dioxide, zinc oxide or mixed oxides with, for example, iron oxides.
- the advantages of micropigments as UV filter substance in cosmetic preparations are mainly due to the fact that the pigments, in contrast to dissolved or liquid, do not penetrate into the skin. The occurrence of allergic reactions is excluded.
- a disadvantage of the prior art is the fact that micropigments are difficult to incorporate stable in cosmetic preparations. Since the micropigments are provided with dispersing aids, the emulsion changes. The storage stability is therefore low. Particularly unstable are oil-in-water emulsions (O / W emulsions) based on the emulsifier glyceryl stearate citrate. According to the state of the art, no organic sunscreen filter pigments can be incorporated into such preparations in such a way that they are stable in storage, temperature and transport. O / W emulsions based on glyceryl stearate citrate, however, have particularly advantageous cosmetic properties such as, for example, a pleasant feeling on the skin.
- a cosmetic O / W emulsion comprising a) glyceryl stearate citrate, b) one or more emulsifiers having an HLB value of less than 8, c) organic sunscreen filter pigments.
- Embodiments of the present invention that are advantageous according to the invention are characterized in that the preparation contains the O / W emulsifier system in a concentration of 0.5 to 7% by weight, based on the total weight of the preparation.
- Glyceryl stearate citrate (2-hydroxy-1,2,3-propanetricarboxylic acid, 2,3-propanetriol monooctanecanoate, INCI Glyceryl Stearate Citrate, CAS 39175-72-9) is the citric acid ester of glyceryl stearate and, i.a. commercially available under the name Imwitor 370 from Sasol. Glyceryl stearate citrate is the inventively preferred O / W emulsifier system.
- Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation comprises glyceryl stearate citrate in a concentration of 0.5 to 5% by weight and preferably in a concentration of 0.5 to 3.0% by weight, in each case based on the total weight of the preparation , contains.
- the preparation according to the invention comprises one or more emulsifiers having an HLB value of less than 8 in a total concentration of 0.1 to 3% by weight and preferably in a concentration of 0.3 to 1.5% by weight. %, in each case based on the total weight of the preparation contains.
- Sorbitan isosterarate e.g., Arlacel 60, Uniquema
- cetyl dimethicone copolyol e.g., Abil EM 90, Goldschmidt
- polyglyceryl-2 dipolyhydroxystearate (Dehymuls PGPH, Cognis).
- the weight ratio of O / W emulsifier to the total amount of emulsifiers having an HLB value of less than 8 is from 1: 1 to 20: 1 and particularly preferred if the weight ratio of glyceryl stearate citrate to the total amount of emulsifiers with an HLB Value is less than 8 from 1, 5: 1 to 8: 1.
- the preparation according to the invention comprises organic light-screening filter pigments in a total concentration of 0.1 to 30% by weight and organic light-protective filter pigments according to the invention in a concentration of 0.5 to 15% by weight, in each case based on the total weight of the preparation, contains.
- organic photoprotective filters are selected from the group 2 J 4 J 6-tris (biphenyl) -1,3 J 5-triazine and 2 J 4 J 6-tris- (terphenyl) -1,3 J 5-triazine.
- Particularly preferred according to the invention is 2,4,6-tribiphenyl-4-yl-1,3,5-triazine.
- compositions according to the invention contain one or more dispersants.
- dispersing / dispersing z. B C8-C16 alkylpolyglucoside and amphiphilic polymers as described in EP 1093796 B1, can advantageously be used according to the invention.
- One or more dispersants selected from the group of alkylpolyglycosides, xanthan gum, are preferred according to the invention.
- the preparation or use according to the present invention contains further UV filter substances.
- the preparation according to the invention can advantageously contain UV sunscreen filter substances based on inorganic pigments.
- Preferred inorganic pigments are metal oxides and / or other water-insoluble or insoluble metal compounds, in particular oxides of titanium (TiO 2 ), zinc (ZnO), iron (eg Fe 2 O 3 ), zirconium (ZrO 2 ), silicon ( SiO 2 ), manganese (for example MnO), aluminum (Al 2 O 3 ), cerium (for example Ce 2 O 3 ), mixed oxides of the corresponding metals and mixtures of such oxides and the barium sulfate (BaSO 4 ).
- the pigments can also be used advantageously in the form of commercially available oily or aqueous predispersions. Dispersants and / or solubilizers may advantageously be added to these pre-dispersions.
- the pigments may advantageously be surface-treated ("coated"), wherein, for example, a hydrophilic, amphiphilic or hydrophobic character is to be formed or retained.
- This surface treatment may consist in using a thin film according to methods known per se hydrophilic and / or hydrophobic inorganic and / or organic layer
- Surface coatings may also contain water in the sense of the present invention.
- Inorganic surface coatings for the purposes of the present invention may consist of aluminum oxide (Al 2 O 3 ), aluminum hydroxide Al (OH) 3 or aluminum oxide hydrate (also: Alumina, CAS No .: 1333-84-2), sodium hexametaphosphate (NaPO 3 ) 6 , sodium meta-phosphate (NaPO 3 ) ,,, silicon dioxide (SiO 2 ) (also: silica, CAS No .: 7631-86-9), barium sulfate (BaSO 4 ) or iron oxide (Fe 2 O 3 ).
- Al 2 O 3 aluminum oxide
- Al (OH) 3 or aluminum oxide hydrate also: Alumina, CAS No .: 1333-84-2
- sodium hexametaphosphate (NaPO 3 ) 6 sodium meta-phosphate
- silicon dioxide SiO 2
- SiO 4 barium sulfate
- Fe 2 O 3 iron oxide
- Organic surface coatings for the purposes of the present invention may consist of vegetable or animal aluminum stearate, vegetable or animal stearic acid, lauric acid, dimethylpolysiloxane (also: dimethicone), methylpolysiloxane (methicone), simethicone (a mixture of dimethylpolysiloxane with an average of Chain length from 200 to 350 dimethylsiloxane units and silica gel) or alginic acid.
- dimethylpolysiloxane also: dimethicone
- methicone methylpolysiloxane
- simethicone a mixture of dimethylpolysiloxane with an average of Chain length from 200 to 350 dimethylsiloxane units and silica gel
- alginic acid alginic acid.
- the titanium dioxide pigments can be present both in the rutile and anatase crystal modifications and can advantageously be surface-treated ("coated") for the purposes of the present invention, with a hydrophilic, amphiphilic or hydrophobic character, for example, being formed or retained
- This surface treatment may consist in providing the pigments with a thin hydrophilic and / or hydrophobic inorganic and / or organic layer by processes known per se.
- the various surface coatings may also contain water for the purposes of the present invention.
- Coated and uncoated titanium dioxides described in the present invention can also be used in the form of commercially available oily or aqueous predispersions. Dispersants and / or solubilizers may advantageously be added to these predispersions.
- the titanium dioxides according to the invention are distinguished by a primary particle size of between 10 nm and 200 nm, particle sizes of from 10 nm to 100 nm being preferred according to the invention.
- titanium dioxides are the MT-100 Z and MT-100 TV from Tayca Corporation, Eusolex T-2000 and Eusolex T-AVO from Merck and the titanium dioxide T 805 from Degussa and the iron / titanium mixed oxide titanium dioxide T817 from Degussa ,
- zinc oxides can also be used in the form of commercially available oily or aqueous predispersions.
- Zinc oxide particles and predispersions of zinc oxide particles which are suitable according to the invention are distinguished by a primary particle size of ⁇ 300 nm and can be obtained from the following companies under the following trade names:
- Particularly preferred zinc oxides in the context of the invention are the Z-Cote HP1 from BASF and the zinc oxide NDM from Haarmann & Reimer.
- UV filter substances in the sense of the present invention are, for example, those mentioned below which may be present in the water phase and / or the oil phase.
- Advantageous UV filter substances which are liquid at room temperature for the purposes of the present invention are homomenthyl salicylate (INCI: homosalates), 2-ethylhexyl 2-hydroxybenzoate (2-ethylhexyl salicylate, octyl salicylate, INCI: octyl salicylates), 2-ethylhexyl-2-cyano-3, 3-diphenyl acrylate (INCI: Octocrylene) and esters of cinnamic acid, preferably 4-methoxycinnamic acid (2-ethylhexyl) ester (2-ethylhexyl-4-methoxycinnamate, INCI: octyl methoxycinnamate) and 4-methoxycinnamic acid isopentyl ester (isopenty
- UV-A filter substances for the purposes of the present invention are dibenzoyl methane derivatives, in particular 4- (tert-butyl) -4'-methoxydibenzoylmethane (CAS No. 70356-09-1), which has been sold by Givaudan under the trademark Parsol ® 1789 and sold by Merck under the trade name Eusolex® 9020.
- UV-A filter substances in the context of the present invention are hydroxybenzophenones, which are distinguished by the following structural formula:
- R 1 and R 2 are independently hydrogen, CrC 2 -alkyl, C 3 -C 0 cycloalkyl or C 3 -C 0 -
- Nitrogen atom to which they are attached can form a 5- or 6-membered ring and
- R 3 is a C 1 -C 20 -alkyl radical.
- a particularly advantageous hydroxybenzophenone in the context of the present invention is 2- (4'-diethylamino-2 1 -hydroxybenzoyl) -benzoic acid hexyl ester (also: aminobenzophenone), which has the following structure: and Uvinul A Plus is available from BASF.
- UV filter substances in the context of the present invention are sulfonated, water-soluble UV filters, such as. B .:
- Sulfonic acid derivatives of 3-Benzylidencamphers such as. B. 4- (2-oxo-3-bomylidenemethyl) - benzenesulfonic acid, 2-methyl-5- (2-oxo-3-bomylidenemethyl) sulfonic acid and salts thereof.
- Advantageous UV filter substances for the purposes of the present invention are also so-called broadband filters, ie filter substances which absorb both UV-A and UV-B radiation.
- An advantageous broadband filter for the purposes of the present invention is also the 2,2'-methyl-bis (6- (2H-benzotriazol-2-yl) -4- (1, 1,3,3-tetramethylbutyl) phenol ), which is available under the trade name Tinosorb® M from CIBA-Chemikalien GmbH.
- Advantageous broadband filter for the purposes of the present invention is also the 2- (2H-benzotriazole) -ylH-methyl-eP-methyl-S-ti.aa-tetramethyl-i-trimethylsilyoxyldisiloxanyl] propyl] phenol (CAS). No .: 155633-54-8) with the INCI name Drometrizole Trisiloxane.
- the other UV filter substances can be oil-soluble or water-soluble.
- Advantageous oil-soluble filter substances are z. B .:
- 3-benzylidene camphor derivatives preferably 3- (4-methylbenzylidene) camphor, 3-benzylidene camphor;
- 4-aminobenzoic acid derivatives preferably (2-ethylhexyl) 4- (dimethylamino) benzoate, 4- (dimethylamino) benzoic acid amyl ester;
- Esters of benzalmalonic acid preferably di-2-ethylhexyl 4-methoxybenzalmalonate
- Esters of cinnamic acid preferably 4-methoxycinnamic acid (2-ethylhexyl) ester, 4-methoxycinnamic acid isopentyl ester;
- benzophenone preferably 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-4'-methylbenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone and
- Phenylene-1,4-bis (2-benzimidazyl) -3 J 3'-5,5'-tetrasulfonic acid bis-sodium salt (INCI: bisimidazylate, trade name: Neoheliopan AP), 2,4-bis- [5 -1 (dimethylpropyl) benzoxazol-2-yl- (4-phenyl) -imino] -6- (2-ethylhexyl) -imino-1,3,5-triazine obtained with (CAS No. 288254-16-0 in 3V Sigma under the trade name Uvasorb® K2A) in dissolved form,
- Dioctylbutylamidotriazone (INCI: diethylhexyl butamido triazone, trade name: Uvasorb HEB), • 2- (4'-diethylamino-2 1 -hydroxybenzoyl) -benzoic acid hexyl ester (also: aminobenzophenone) (INCI: diethylamino hydroxybenzoyl hexyl benzoate, trade name: Uvinul A plus),
- UV filter substances in the context of the present invention are: 2-ethylhexyl-4-methoxycinnamate (INCI: octyl methoxycinnamate, trade name: Parsol MCX),
- Dioctylbutylamidotriazone (INCI: diethylhexyl butamido triazone, trade name: Uvasorb HEB).
- these additional UV filter substances may advantageously be present in a total concentration of from 0.01 to 20% by weight and, preferably, in a total concentration of from 0.5 to 15% by weight, based in each case on the total weight of the preparation.
- the oil phase of the preparations according to the invention is advantageously selected from the group of polar lipids having a polarity ⁇ 35 mN / m.
- Particularly advantageous lipids in the context of the present invention are all native lipids, such as.
- hydrocarbons in particular paraffin oil and further hydrogenated poly-olefins such as hydrogenated polyisobutenes, squalane and squalene are to be used advantageously in the context of the present invention.
- the content of the lipids is advantageously chosen to be less than 50% by weight, preferably from 1 to 40% by weight, particularly preferably from 5 to 15% by weight, in each case based on the total weight of the preparation.
- the lipid phase contains oil-soluble UV filter substances, it is advantageous to choose the content of the lipid phase less than 80% by weight, preferably between 1 and 40% by weight, particularly preferably between 5 and 30% by weight, based in each case on the total weight of the preparation.
- oil phase of the preparations according to the present invention also contains non-polar lipids.
- the aqueous phase of the preparations according to the invention may advantageously comprise customary cosmetic adjuvants, for example alcohols, in particular those of low C number, preferably ethanol and / or isopropanol, diols or polyols of low C number and their ethers, preferably propylene glycol, glycerol, ethylene glycol, Propanediol, ethylene glycol monoethyl or monobutyl ether, propylene glycol monomethyl, monoethyl or monobutyl ether, diethylene glycol monomethyl or monoethyl ether and analogous products, polymers, foam stabilizers, electrolytes, self-tanning agents and, in particular, one or more thickening agents, which are advantageously chosen may be selected from the group silicon dioxide, aluminum silicates, polysaccharides or their derivatives, for.
- customary cosmetic adjuvants for example alcohols, in particular those of low C number, preferably ethanol and / or isopropano
- xanthan gum As hyaluronic acid, xanthan gum, hydroxypropylmethylcellulose, particularly advantageous from the group of polyacrylates, preferably a polyacrylate from the group of so-called carbopols, for example Carbopols types 980, 981, 1382, 2984, 5984, each individually or in combination.
- carbopols for example Carbopols types 980, 981, 1382, 2984, 5984, each individually or in combination.
- Further thickeners which are particularly advantageous according to the invention are permuents TR 1, TR 2, Carbopol 1328, Aristoflex AVC.
- the cosmetic preparations according to the invention can be composed as usual. Particularly advantageous in the context of the present invention are preparations for the care of the skin: they can be used for cosmetic sunscreen, for cleaning or care of the skin and / or hair and as a make-up product in decorative cosmetics. A further advantageous embodiment of the present invention is Af ter-Sun products. According to their structure, cosmetic compositions in the sense of the present invention can be used, for example, as a skin protection cream, day cream or night cream, etc. It may be possible and advantageous to use the compositions according to the invention as a basis for pharmaceutical formulations.
- the preparations according to the invention can be present in the form of a lotion, in particular in the form of a sprayable lotion.
- the preparation according to the invention can also be used to impregnate a cloth.
- cosmetic preparations whose main purpose is not the protection from sunlight, but which nevertheless contain a content of UV protective substances.
- So z. B. in day creams or makeup products usually incorporated UV-A or UV-B filter substances.
- UV-protective substances, as well as antioxidants and, if desired, preservatives also represent an effective protection of the preparations themselves against spoilage.
- Cosmetic preparations which are in the form of a sunscreen agent are also favorable.
- the cosmetic preparations according to the invention are applied to the skin and / or the hair in a sufficient amount in the manner customary for cosmetics.
- the cosmetic preparations according to the invention may contain cosmetic adjuvants, such as are commonly used in such preparations, for. B.
- Preservatives Preservatives, preservatives, complexing agents, bactericides, perfumes,
- Substances fillers that improve the feel on the skin, fats, oils, waxes or other common ingredients of a cosmetic formulation such as alcohols, polyols, polymers,
- Foam stabilizers electrolytes, organic solvents or silicone derivatives.
- Advantageous preservatives for the purposes of the present invention are, for example, formaldehyde releasers (such as, for example, DMDM hydantoin, which is available, for example, from the group of US Pat Trade name Glydant TM available from Lonza), iodopropyl butyl carbamates (eg those available under the trade names Glycacil-L, Glycacil-S from Lonza and / or Dekaben LMB from Jan Dekker), parabens (ie p- Hydroxybenzoic acid alkyl esters, such as methyl, ethyl, propyl and / or butylparaben), phenoxyethanol, ethanol, benzoic acid and the like.
- the preserving system also advantageously also comprises preserving aids, such as, for example, ethylhexylglycerol, glycine soya, etc.
- Advantageous complexing agents for the purposes of the present invention are, for example, EDTA, [S, S] -ethylenediamine disuccinate (EDDS), which is obtainable, for example, under the trade name Octaquest from the company Octel, pentasodium ethylenediamine tetramethylenephosphonate, which, for example, B. under the trade name Dequest 2046 from the company.
- Monsanto is available and / or iminodisuccinic which u. a.
- compositions are also obtained when antioxidants are used as additives or active substances.
- the preparations advantageously contain one or more antioxidants.
- As favorable but nevertheless optional antioxidants it is possible to use all antioxidants which are suitable or customary for cosmetic applications.
- water-soluble Antioxi ⁇ dantien can be used, such as vitamins, eg. As ascorbic acid and its derivatives.
- antioxidants are vitamin E and its derivatives as well as vitamin A and its derivatives.
- the amount of antioxidants (one or more compounds) in the preparations is preferably from 0.001 to 30% by weight, particularly preferably from 0.05 to 20% by weight, in particular from 0.1 to 10% by weight, based on the total weight of the preparation. If vitamin E and / or its derivatives are the antioxidant (s), it is advantageous to choose their respective concentrations from the range from 0.001 to 10% by weight, based on the total weight of the formulation.
- vitamin A or vitamin A derivatives, or carotenes or derivatives thereof are the antioxidant (s), it is advantageous if their respective concentrations are in the range from 0.001 to 10% by weight, based on the total weight of the formulation choose.
- the cosmetic preparations according to the present invention contain cosmetic active ingredients, preferred active substances being antioxidants which can protect the skin from oxidative stress.
- active ingredients in the context of the present invention are natural active substances and / or their derivatives, such as.
- 1, 16-dicarboxylic acid dioic acid, CAS number 20701-68-2, provisional INCI name octadecenedioic acid
- licochalcone A 1, 16-dicarboxylic acid (dioic acid, CAS number 20701-68-2, provisional INCI name octadecenedioic acid) and / or licochalcone A.
- Licochalcone can also be used advantageously as a constituent of herbal extracts, in particular of aqueous radix Glycyrrhizae inflatae.
- the cosmetic preparations contain 0.001 to 10% by weight, in particular 0.05 to 5% by weight, very particularly 0.01 to 2% by weight of an extract of Radix Glycyrrhizae inflatae, in each case on the total weight of the preparation.
- the preparation according to the invention can advantageously comprise one or more skin lightening substances (depigmenting agents, whitening substances), For example, hydroquinone (1,4-dihydroxybenzene), glucocorticoids, cucumber extract, bearberry leaf extract, watercress extract, ⁇ , ⁇ -dicarboxylic acids (English, dioic acid) or kojic acid.
- skin lightening substances for example, hydroquinone (1,4-dihydroxybenzene), glucocorticoids, cucumber extract, bearberry leaf extract, watercress extract, ⁇ , ⁇ -dicarboxylic acids (English, dioic acid) or kojic acid.
- Inventive formulations which z. B. known anti-wrinkle active ingredients such as flavone glycosides (especially ⁇ -glycosyl rutin), coenzyme Q10, vitamin E and / or derivatives and the like, are particularly advantageous for protection against aesthetically unattractive skin lesions, as z. Skin aging (such as dryness, roughness, dryness wrinkles, itching, decreased refatting (eg, after washing), visible vascular dilation (telangiectasia, cuperosis), slackness and wrinkle and wrinkle formation, localized hypersensitivity). , Hypo and false pigmentation (eg, age spots), increased susceptibility to mechanical stress (eg, cracking), and the like). Furthermore, they are advantageously suitable against the appearance of dry or rough skin.
- flavone glycosides especially ⁇ -glycosyl rutin
- coenzyme Q10 vitamin E and / or derivatives and the like
- the preparations according to the present invention can also advantageously contain self-tanning substances, for example dihydroxyacetone and / or melanin derivatives in concentrations of from 1% by weight to 8% by weight, based on the total weight of the preparation.
- self-tanning substances for example dihydroxyacetone and / or melanin derivatives in concentrations of from 1% by weight to 8% by weight, based on the total weight of the preparation.
- the preparations according to the present invention may also contain repellents for protection against mosquitoes, ticks and spiders and the like.
- repellents for protection against mosquitoes, ticks and spiders and the like.
- N N-diethyl-3-methylbenzamide (trade name: meta-delphene, "DEET"), dimethyl phthalate (trade name: palatinol M, DMP), 1-piperidinecarboxylic acid 2- (2-hydroxyethyl) -1-methylpropyl ester, and especially 3- (Nn-butyl-N-acetyl-amino) -propionic acid ethyl ester (available from Merck under the tradename Insekt Repellent® 3535.)
- the repellents can be used either individually or in combination.
- Moisturizers are substances or mixtures of substances which give cosmetic preparations the property, after application or distribution on the skin surface, to reduce the moisture release of the hom layer (also called transepidermal water loss (TEWL)) and / or to positively influence the hydration of the initial layer
- Advantageous moisturizers for the purposes of the present invention are, for example, glycerol, lactic acid and / or lactates, in particular sodium lactate, butylene glycol, propylene glycol, methylpropanediol, biosaccharide gum-1, glycine soya, ethylhexyloxyglycerol, pyrrolidonecarboxylic acid and urea.
- polymeric moisturizers from the group of water-soluble and / or water-swellable and / or water-gellable polysaccharides.
- Moisturizers may advantageously also be used as anti-wrinkle agents for protecting cosmetic skin changes, as described, for example, in US Pat. B. occur during skin aging, can be used.
- the cosmetic preparations according to the invention may also advantageously, although not necessarily, contain fillers which are e.g. B. further improve the sensory and cosmetic properties of the formulations and, for example, cause or enhance a velvety or silky feel on the skin.
- Advantageous fillers for the purposes of the present invention are starch and starch derivatives (such as, for example, tapioca starch, distarch phosphate, aluminum or sodium starch, octenylsuccinate and the like), pigments which have neither chiefly UV filter nor coloring action (such as, for example, US Pat. B. boron nitride etc.) and / or Aerosils ® (CAS no. 7631-86-9).
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- Crystallography & Structural Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Medical Informatics (AREA)
- General Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Emergency Medicine (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502005009805T DE502005009805D1 (de) | 2004-09-27 | 2005-09-22 | Organische mikropigmente enthaltende kosmetische lichtschutzemulsionen |
AT05794592T ATE471742T1 (de) | 2004-09-27 | 2005-09-22 | Organische mikropigmente enthaltende kosmetische lichtschutzemulsionen |
EP05794592A EP1799310B1 (de) | 2004-09-27 | 2005-09-22 | Organische mikropigmente enthaltende kosmetische lichtschutzemulsionen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004047285.8 | 2004-09-27 | ||
DE102004047285A DE102004047285A1 (de) | 2004-09-27 | 2004-09-27 | Organische Mikropigmente enthaltende kosmetische Lichtschutzemulsion |
Publications (1)
Publication Number | Publication Date |
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WO2006034992A1 true WO2006034992A1 (de) | 2006-04-06 |
Family
ID=35606735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/054755 WO2006034992A1 (de) | 2004-09-27 | 2005-09-22 | Organische mikropigmente enthaltende kosmetische lichtschutzemulsionen |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP1952844B1 (de) |
AT (1) | ATE471742T1 (de) |
DE (2) | DE102004047285A1 (de) |
ES (2) | ES2598485T3 (de) |
WO (1) | WO2006034992A1 (de) |
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Also Published As
Publication number | Publication date |
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EP1952844A2 (de) | 2008-08-06 |
ES2598485T3 (es) | 2017-01-27 |
DE102004047285A1 (de) | 2006-04-20 |
EP1952844A3 (de) | 2012-02-29 |
DE502005009805D1 (de) | 2010-08-05 |
EP1799310B1 (de) | 2010-06-23 |
EP1799310A1 (de) | 2007-06-27 |
EP1952844B1 (de) | 2016-07-27 |
ES2346331T3 (es) | 2010-10-14 |
ATE471742T1 (de) | 2010-07-15 |
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