摘要:
A method of preparing a composition, comprising (a) a micronised insoluble organic UV absorber, which method comprises grinding the insoluble organic UV absorber, in coarse particle form, in a grinding apparatus, in the presence of a grinding aid selected from the groups (b1) carboxylic acids and their salts; (b2) fatty acid esters (b3) alkyl phosphates or phosphoric acid esters; (b4) ethoxylated carboxylic acids or polyethyleneglycol (PEG) esters; (b5) fatty alcohol polyethyleneglycol (PEG) ethers of fatty alcohols; (b6) polyethylene/polypropylene -glycol ethers of saturated or unsaturated C4-C28 fatty acids; (b7) ethoxylated alkylphenols or ethoxylated alkylphenyl ethers; (b8) esters of polyol and mono-, di- or tri-glycerides; (b9) esters of fatty acids and saccharose; (b10) sorbitan mono- and di-esters of saturated and/or unsaturated C6-C22 fatty acids and ethylene oxide groups; and (b11) surfactants which are mainly acting as detergent or cleansing agents.
摘要:
Disclosed is the use of a UV filter combination, comprising (a) a first UV filter selected from benzylidene malonates of formula (1), wherein R1 methyl; ethyl; propyl; or n-butyl; if R1 is methyl, then R is tert. butyl; formula (II); formula (III); a radical of formula (1a); or a radical of formula (1b); wherein R2 and R3, independently from each other are hydrogen; or methyl; R4 is methyl; ethyl; or n-propyl; R5 and R6 independently from each other are hydrogen; or C1-C3alkyl; if R1 is ethyl; propyl; or n-butyl, then R is isopropyl; and (b) a second UV filter selected from (b1) Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine; (b2) Butyl Methoxydibenzoylmethane; (b3)Diethylhexyl Butamido Triazone; (b4) Ethylhexyl Triazone; (b5) Diethylamino Hydroxy Benzoyl Hexyl Benzoate; (b6) Ethylhexyl Methoxycinnamate; (b7) Ethylhexyl Salicylate; (b8) Homosalate; (b9) Octocrylene; (b10) micronized Methylene Bis-Benzotriazolyl Tetramethylbutylphenol; (b11) Phenylbenzimidazole Sulfonic Acid; (b12) Titanium Dioxide; (b13) micronized Tris-Biphenyl Triazine; and (b14) micronized (2-{4-[2-(4-Diethylamino-2-hydroxy-benzoyl)-benzoyl]-piperazine-1-carbonyl}-phenyl)-(4-diethylamino-2-hydroxy-phenyl)-methanone;(b15) benzoicacid,4,4-[[3-[1,3,3,3-tetramethyl-1-[trimethylsilyl)oxy]-1-disiloxanyl]propyl]amino]-1,3,5-triazine-2,4-diyl]diimino]bis-, dibutyl ester wherein the UV filter combination comprises at least 2 UV filters of component (b1)-(b14); for the protection of human and animal hair and skin against UV radiation.
摘要:
Disclosed is the use of amines and amides for the stabilization of a cosmetic composition comprising: (a) an organic micronized UV absorber selected from a benzophenone derivative and (b) a dibenzoylmethane derivative. The use of the amines and amides results in the stabilization of the end-product formulations.
摘要:
Disclosed is the use of an aqueous dispersion comprising (a) a micronized sparingly soluble organic benzophenone derivative of formula (1), selected from the crystal modifications (B) and (C), wherein the crystal modification (B) is characterized by a peak in the X-ray diffraction pattern at a d-spacing of about 7.70; and wherein the crystal modification (C) is characterized by a peak in the X-ray diffraction pattern at a d-spacing of about 7.06; and (b) a dispersing agent selected from anionic, non-ionic and amphoteric surfactants; for protecting the human skin from browning and skin aging. The new crystal modification (C) represents a thermodynamically stable compound of formula (1) at 25° C. This modification is therefore suitable in dispersions comprising micro-fine particles.
摘要:
Disclosed is the use of a UV filter combination, comprising (a) a first UV filter selected from benzylidene malonates of formula (1), wherein R1 methyl; ethyl; propyl; or n-butyl; if R1 is methyl, then R is tert. butyl; formula (II); formula (III); a radical of formula (1a); or a radical of formula (1b); wherein R2 and R3, independently from each other are hydrogen; or methyl; R4 is methyl; ethyl; or n-propyl; R5 and R6 independently from each other are hydrogen; or C1-C3alkyl; if R1 is ethyl; propyl; or n-butyl, then R is isopropyl; and (b) a second UV filter selected from (b1) Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine; (b2) Butyl Methoxydibenzoylmethane; (b3)Diethylhexyl Butamido Triazone; (b4) Ethylhexyl Triazone; (b5) Diethylamino Hydroxy Benzoyl Hexyl Benzoate; (b6) Ethylhexyl Methoxycinnamate; (b7) Ethylhexyl Salicylate; (b8) Homosalate; (b9) Octocrylene; (b10) micronized Methylene Bis-Benzotriazolyl Tetramethylbutylphenol; (b11) Phenylbenzimidazole Sulfonic Acid; (b12) Titanium Dioxide; (b13) micronized Tris-Biphenyl Triazine; and (b14) micronized (2-{4-[2-(4-Diethylamino-2-hydroxy-benzoyl)-benzoyl]-piperazine-1-carbonyl}-phenyl)-(4-diethylamino-2-hydroxy-phenyl)-methanone; (b15) benzoicacid,4,4-[[3-[1,3,3,3-tetramethyl-1-[trimethylsilyl)oxy]-1-disiloxanyl]propyl]amino]-1,3,5-triazine-2,4-diyl]diimino]bis-, dibutyl ester wherein the UV filter combination comprises at least 2 UV filters of component (b1)-(b14); for the protection of human and animal hair and skin against UV radiation.
摘要:
Disclosed is the use of an aqueous dispersion comprising (a) a micronized sparingly soluble organic benzophenone derivative of formula (1), selected from the crystal modifications (B) and (C), wherein the crystal modification (B) is characterized by a peak in the X-ray diffraction pattern at a d-spacing of about 7.70; and wherein the crystal modification (C) is characterized by a peak in the X-ray diffraction pattern at a d-spacing of about 7.06; and (b) a dispersing agent selected from anionic, non-ionic and amphoteric surfactants; for protecting the human skin from browning and skin aging. The new crystal modification (C) represents a thermodynamically stable compound of formula (1) at 25° C. This modification is therefore suitable in dispersions comprising micro-fine particles.
摘要:
Disclosed is the Use of UV absorbers selected from (a1) diphenylacrylates; and (a2) specific hydroxyphenyl triazines for stabilizing cosmetic compositions comprising an organic UV absorber selected from (b1) a specific benzophenone derivative, (b2) a specific benzotriazole derivative and (b3) a specific triazine derivative and UV filters selected from (c1) cinnamic acid derivatives; and (c2) dibenzoylmethane derivatives.
摘要:
The invention describes the use of a nanodispersion, which comprises: a) a membrane-forming molecule, b) a co-emulsifier, c) a lipophilic component, and d) a water-soluble ingredient sensitive to oxidation in cosmetic end formulations, the nanodispersion being obtainable by (α) mixing the components (a), (b) and (c) until a homogeneous liquid is obtained (so-called nanodispersion pre-phase), and (β) adding the water or aqueous phase (discontinuous phase) which contains the water-soluble ingredient and optionally the non-aqueous polar organic solvent to the liquid obtained in step (α). Component (d) is preferably ascorbic acid or vitamin C.
摘要:
Disclosed is the Use of UV absorbers selected from (a1) diphenylacrylates; and (a2) specific hydroxyphenyl triazines for stabilizing cosmetic compositions comprising an organic UV absorber selected from (b1) a specific benzophenone derivative, (b2) a specific benzotriazole derivative and (b3) a specific triazine derivative and UV filters selected from (c1) cinnamic acid derivatives; and (c2) dibenzoylmethane derivatives.
摘要:
Topically applicable, water-resistant cosmetic or dermatological compositions well suited for the UV-photoprotection of human skin and/or hair comprising an effective UV-photoprotecting amount of: (a) at least one UV screening agent from various classes and particularly effect mixtures thereof; and, (b) at least one random terpolymer; and, optionally, (c) other cosmetically acceptable ingredients. The various classes of UV-protecting compounds or UV sunscreens of special interest are selected from the groups b1 sparingly soluble micronized organic UV absorber, b2 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, b3 at least one oil soluble organic UV absorber, b4 at least one inorganic UV absorber and b5 at least one water soluble UV absorber further defined herein.The present invention also relates to personal care compositions comprising at least one random terpolymer and other cosmetically acceptable ingredients.