EP1746972A1 - Procede cosmetique de traitement de la peau avec des produits solaires et association de produits solaires - Google Patents

Procede cosmetique de traitement de la peau avec des produits solaires et association de produits solaires

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Publication number
EP1746972A1
EP1746972A1 EP05730919A EP05730919A EP1746972A1 EP 1746972 A1 EP1746972 A1 EP 1746972A1 EP 05730919 A EP05730919 A EP 05730919A EP 05730919 A EP05730919 A EP 05730919A EP 1746972 A1 EP1746972 A1 EP 1746972A1
Authority
EP
European Patent Office
Prior art keywords
sun product
sun
weight
product
proportion
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Withdrawn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
EP05730919A
Other languages
German (de)
English (en)
Inventor
Karin Golz-Berner
Leonhard Zastrow
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.)
Coty BV
Original Assignee
Coty BV
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 Coty BV filed Critical Coty BV
Publication of EP1746972A1 publication Critical patent/EP1746972A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • A61K8/35—Ketones, e.g. benzophenone
    • 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
    • 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
    • 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
    • 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
    • A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
    • A61K8/66—Enzymes
    • 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
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9706—Algae
    • A61K8/9717—Rhodophycota or Rhodophyta [red algae], e.g. Porphyra
    • 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
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783—Angiosperms [Magnoliophyta]
    • A61K8/9789—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/004—Aftersun 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
    • A61K2800/52—Stabilizers
    • A61K2800/522—Antioxidants; Radical scavengers

Definitions

  • the invention relates to a cosmetic method in which the skin is treated with different sun products, and a combination of sun products.
  • a large number of sun protection preparations in cosmetics are known which contain sun protection filters in different compositions, which are often also only aimed at adequate UVB protection.
  • products with a self-tanning effect are known, as are products which are applied to the skin after the end of the sun exposure, e.g. After-sun spray.
  • a formulation with a skin-care effect and certain UV filter combinations is known from EP-Ar 1380279.
  • the invention has for its object to provide a new sun product combination with improved sun protection, with improved tanning success and at the same time skin care effect and a cosmetic method for treating the skin with this sun product combination.
  • the method for treating the skin with sun products is that
  • a pre-sun product to the skin one to several times a day for 2 to 7 days before intensive UV radiation, comprising as essential components a radical scavenger, a combination of caffeine and complex amino acid salts, a combination of liposomally enclosed enzyme photolyase and UV endonuclease and an algae extract from Corallina officinalis,
  • a Sun product to the skin in the event of intensive UV radiation, comprising a UV filter combination of UVA filters and UVB filters, at least 3.0% by weight of UVA filter being present, based on the total weight of the Sun product, and one
  • an after-sun product is applied to the skin which comprises essentially the same constituents as the pre-sun product, the proportion of the radical scavenger and of the enzyme photolyase being 50-90% by weight lower, the proportion of the enzyme UV endonuclease is 50-90% by weight, based in each case on its total weight, and instead of the algae extract, a cooling plant extract or a plant extract mixture is contained.
  • the pre-sun product is preferably applied two to three times a day for 5 to 7 days, and the after-sun product is preferably applied two to three times a day for 3 to 6 days.
  • a Sun product which contains at least 3.5% by weight of organic UVA filters, of which 0.3 to 0.7% by weight is a photostable, organic UVA filter and 2.8 up to 3.2% by weight is a photo-unstable, organic UVA filter, based on the total weight of the sun product.
  • a Sun product with a sun protection factor (SPF) in the range from SPF 8 to SPF 30 is preferably applied.
  • a sun simulator xenon lamp XBO 450 W / 20FR
  • Another object of the invention is a sun product combination, which consists of a pre-sun product, a sun product and an after-sun product, the pre-sun product as essential components a radical scavenger, a combination of caffeine and complex amino acid salts, a combination of liposomally encapsulated enzyme photolyase and UV endonuclease and an algae extract from Corallina officinalis,
  • the S ⁇ n product comprises a UV filter combination of UVA filters and UVB filters, with at least 3.0% by weight UVA Filters are included, based on the total weight of the sun product
  • the after-sun product comprises essentially the same components as the pre-sun product, the proportion of the radical scavenger and the enzyme photolyase being 50-90% by weight lower the proportion of the enzyme UV endonuclease is 50-90% by weight higher, in each case based on their total weight, and instead of the algae extract, a cooling plant extract or plant extract mixture is contained.
  • the sun product according to the invention is present as a set of a pre-sun product, a sun product and an after-sun product in a weight ratio of 1: 0.5-2: 0.8-1.
  • the following proportions are preferred: radical scavenger 0.1-2% by weight; Combination of caffeine / complex amino acid salts 0.01 - 3.0% by weight at a ratio of 1: 10-300, with a maximum of 0.5% caffeine; Photolyase and UV endonuclease together in the range of 0.1-1.5% by weight; Algae extract 0.2 to 2.5% by weight; and plant extract 0.1 to 2.5% by weight, all proportions being based on the total weight of the respective sun product.
  • UVA and UVB filters can be added.
  • Benzophenone-3 and Benzophenone-4 can be used for advantageous broadband filters with effects both in the UVA range and in the UVB range.
  • Advantageous UVB filters include 4-aminobenzoic acid derivatives such as 4- (dimethylamino) benzoic acid (2-ethyl-hexyl) ester; Esters of cinnamic acid such as 4-methoxy-cinnamic acid (2-ethylhexyl) ester, 3-benzylidene camphor derivatives such as 3-benzylidene camphor or its sulfonic acid derivatives, octyl methoxycinnamate, isoamyl p-methoxycinnamate, - ethylhexyl methoxycinnamate, octyl-methylbenzylate, 4-methylbenzene , Homosalate and octyl dimethyl PABA, sulfonic acid derivative
  • UVA filters are butyl methoxybenzoylmethane, 1-phenyl-4- (4'-isopropylphenyl) propane-1, 3-dione, menthyl anthranilates and bis-ethylhexyloxyphenol / methoxyphenyl triazines.
  • UVA / UVB filters can also be used, such as UV pearls (Merck, Germany).
  • Other UVA filters also include inorganic pigments based on metal oxides, such as TiO 2) SiO 2 , ZnO, Fe 2 O 3 , ZrO 2 , MnO, Al 2 O 3 , which can also be used in a mixture.
  • inorganic filters are agglomerated substrates of TiO 2 and / or ZnO which have a content of spherical and porous SiO 2 particles, the SiO 2 particles having a particle size in the range from 0.05 ⁇ m to 1.5 ⁇ m , and In addition to the SiO 2 particles, there are other inorganic particulate substances with a spherical structure, the spherical SiO 2 particles forming defined agglomerates with a particle size in the range from 0.06 ⁇ m to 5 ⁇ m (according to WO99 / 06 ⁇ 12).
  • the proportion of organic UVA filters is therefore a minimum content of 3%, preferably 3.5%, and is increased even further by physical filters, in particular in the case of higher SPFs.
  • a preferred combination of organic UVA filters is e.g. butyl
  • Methoxydibenzoylmethane (Parsol® 1789) with a proportion of 3.0% by weight and bis-ethylhexyloxyphenol / methoxyphenyl triazine (Tinosorb® S) with a proportion of 0.5% by weight.
  • a photostable UVA filter such as, for example, bis-ethylhexyloxyphenol / methoxyphenyl triazine
  • a photoinstable filter such as butyl methoxybenzoyimethane or Tinosorb® M, so that overall a relatively stable UVA filter mixture is present.
  • UV-Pearis® (Merck, Germany) can be added as a broadband filter, consisting of water, ethylhexyl methoxycinnamate, silica, PVP, ethanol, sodium citrate, chlorphenesin, centrimonium chloride.
  • Complex amino acid salts are preferably mixtures of histidine-HCl, arginine-HCl, omithine-HCl, tyrosine and glutathione, preferably in a mixture with a polysaccharide such as sorbitol; for example, this is Phototan® LS2261 E from Laboratoires Serobioiogiques, Pulnoy, FR. It is also necessary to add radical scavengers that can eliminate free radicals that may occur. The proportion is 0.1-2% by weight, based on the Total weight of the product.
  • a known and particularly effective free radical scavenger for the preparation according to the invention is an active ingredient with a high radical protection factor, comprising a content of a product obtained by extraction of the bark of quebracho blanco and subsequent enzymatic hydrolysis, which contains at least 90% by weight of proanthocyanidin oligomers and at most 10% by weight.
  • % Contains gallic acid, in microcapsules, and a content of silkworm extract obtained by extraction, which contains the peptide cecropine, amino acids and a vitamin mixture, and a nonionic, cationic or anionic hydrogel or mixture of hydrogels, and one or more phospholipids, and water (RPF complex).
  • RPF complex active ingredient complex according to Example 1 or 2
  • WO01 / 26617 active ingredient complex according to Example 1.
  • This complex which is referred to here as RPF complex
  • RPF complex can be supplemented by adding the digestion product previously mentioned as a further active ingredient of yeasts and an orange extract obtained by extracting fruits with propylglycol.
  • the cosmetic sun product according to the invention advantageously contains 0.1-1% by weight of the aforementioned RPF complex with a high radical protection factor, has an RPF for the pre-sun product in the range from 60 to 2000 ⁇ 10 14 radicals / mg and is therefore higher as usual cosmetic formulations with declared radical scavengers, which reach values of about 10 to 40.
  • the proportion of the radical scavenger in the Sun product and in the after-sun product is advantageously 80-90% below the proportion in the pre-sun product.
  • the radical protection factor (RPF) determines the activity for binding free radicals by an antioxidant against a test substance.
  • This test substance consists of a very reactive, semi-stable radical such as DMPO (5,5'-dimethyl-1-purrolin-N-oxide) or PBN (phenyl-tert-butyl-nitron), which is compatible with all known
  • the RPF is measured in such a way that the signal amplitude of the test radical is measured by electron spin resonance (ESR / EPR) before and after mixing with an antioxidant, and the RPF is calculated therefrom.
  • ESR / EPR electron spin resonance
  • the RPF is known for a number of standard antioxidants; it is 827 for all-trans-retinol and 196 for all-trans-retinol acetate; for DL- ⁇ -tocopherol at 41200 and for "-Tocopherolacetusch at 48, each x 10 14 radicals / mg.
  • the exact measuring procedure is described by Herrling, Groth, Fuchs and Zastrow in Conference Materials "Modern Challenges To The Cosmetic Formulation" 5.5.-7.5.97, Düsseldorf, pp.
  • the combination of caffeine / complex amino acid salts surprisingly leads to an increased microcirculation. It also enhances the tanning effect caused by UV radiation in the skin. Reinforcement means a particularly long-lasting tanning effect, which can last up to 8 days.
  • the complex amino acid salt consists of sorbitol, arginine HCI, ornithine HCI, tyrosine and SiO 2 .
  • a preferred combination is Caffein / Phototan® LS2261 E.
  • the combination of caffeine / complex amino acid salts in the sun product according to the invention is preferred in a proportion of 0.01-3.0% by weight, the ratio of caffeine to the complex amino acid salts being 1:10-300. However, it contains a maximum of 0.5% by weight of caffeine.
  • the sun product can additionally contain an active ingredient with a wrinkle-smoothing effect, such as, for example, colhibin and hydrolyzed rice proteins, which protect collagen from the harmful effects of collagenases and their collagenase inhibitory activity in not less than 20 collagenase inhibitor units lies.
  • Corallina officinalis enhances the radical-catching effect of the RPF complex that is preferably used by an enzymatic catalytic activity and a large variety of trace elements such as iron, copper, iodine, cobalt, manganese.
  • a preferred product is Oligophycocorail (from Semca, Pontrieux, France).
  • the extract is preferably used in propylene glycol.
  • the preparation according to the invention further contains cosmetic auxiliaries and carriers, as are usually used in such preparations, for example water, preservatives, dyes, pigments with a coloring effect, thickeners, fragrances, alcohols, polyols, esters, electrolytes, gelling agents, polar and non-polar oils, polymers, copolymers, emulsifiers, waxes, stabilizers. It can also contain other active ingredients. These include e.g. B.
  • humectants humectants, skin softeners, antioxidants, vitamins, enzymes, herbal agents, polymers, antioxidants, anti-inflammatory natural agents, oxygen-loaded asymmetric lamellar aggregates according to WO 94/00109; Digestion products of yeast or vegetable substances, produced by a gentle ultrasonic digestion process according to WO 94/13783, kaolin and kaolin modified with SiO 2 according to WO94 / 17588.
  • vitamins such as vitamin C and derivatives thereof, eg ascorbyl acetate, phosphate and palmitate ⁇ ; Vitamin A and derivatives thereof; Folic acid and its derivatives, vitamin E and its derivatives, such as tocopheryl acetate; Flavones or flavonoids; Amino acids such as histidine, glycine, tyrosine, tryptophan and derivatives thereof; Carotenoids and carotenes, such as, for example, ⁇ -carotene, ⁇ -carotene; Uric acid and derivatives thereof; ⁇ -hydroxy acids such as citric acid, lactic acid, malic acid; Stilbene and its derivatives; as well as various plant extracts.
  • vitamins such as vitamin C and derivatives thereof, eg ascorbyl acetate, phosphate and palmitate ⁇
  • Vitamin A and derivatives thereof such as tocopheryl acetate
  • Flavones or flavonoids such as tocopheryl acetate
  • Amino acids such as histidine,
  • a plankton extract is introduced as an active ingredient via liposomes, for example one obtained from cyanobacteria of the genus Anacystes nidulans and containing an effective amount of the enzyme photolyase.
  • This enzyme contributes to the fact that cyclobutaripyrimidine dimers formed as a result of UV radiation are split up again with the inclusion of daylight, thus achieving a repair effect for the skin.
  • the encapsulation of the plankton extract in special liposomes which are formed from three types of phospholipids is particularly advantageous: from phosphatidylethanolamine, phosphatidylcholine / oleic acid and cholesterylhemisuccinate.
  • Such lipo Some show a high penetration power in keratinocytes and suddenly release their content depending on a pH reduction from eg pH 6 to pH 4.
  • a preferred product that contains the plankton extract is Photosomes® from Barnet Products Corp., NJ / USA.
  • the liposomes can have the advantageous embodiment described for the plankton extract.
  • a preferred product is Ultrasomes® from Barnet Products Corp., NJ / USA.
  • the proportion of photolyase and UV endonuclease in the form of the commercial products mentioned is 0.1-1.5% by weight.
  • the proportion of the enzyme photolyase in the after-sun product is advantageously 75-90% below the proportion of photolyase in the pre-sun product. It is also advantageous to add a revitalizing active complex to the sun product or after-sun product according to the invention or to both.
  • This complex consists of 1 to 9% by weight of creatine or a creatine derivative, 0.1 to 40% by weight of water-soluble glyeogen, 1 to 10% by weight of a phospholipid, 0.1 to 5% by weight of a cosmetically acceptable gel and the rest 100% by weight of water (according to WO02 / 060394).
  • LDH lactodehydrogenase
  • the present invention increases this to about 1: 1.8-2.2.
  • the combination of photostable and photoinstable UVA filters according to the invention in the appropriate conditions as particularly effective to protect the skin from damage caused by UVA rays.
  • the pretreatment of the skin with the pre-sun product also achieves a special care effect in the combination of the components, which when used in the suggested time frame is an excellent basis for the subsequent sun exposure.
  • the skin also proves to be very well cared for, even with prolonged intensive exposure to the sun's rays, essentially without DNA damage and negative wrinkle changes, and shows a healthy brown tone over a long period of time.
  • the relatively small addition of plant extract in the after-sun product, in particular in the form of a watermelon extract as a humectant, together with the other components of the product and the corresponding pretreatment, has a particularly long-lasting effect.
  • the watermelon extract (Citrullus vulgaris) is a water glycerin extract that contains at least -2% fruit components.
  • the extract content is 0.1-2.0% by weight, in particular 0.1-0.5% by weight, based on the total weight of the after-sun product.
  • a rose flower extract and a jasmine flower extract are also advantageous with the same direction of action.
  • a particularly advantageous extract mixture consists of watermelon, rose and jasmine and is contained in a total proportion of 1.5-2.5% by weight.
  • the term “solar radiation” or “UV radiation” as used here means the radiation from lamps in tanning salons etc. that simulate solar radiation.
  • the oils used for the invention can be conventional cosmetic oils, such as a mineral oil, hydrogenated polyisobutene, synthetic or squalane or natural products, cosmetic esters or ethers, which can be branched or unbranched, saturated or unsaturated; vegetable oils; or mixtures of two or more of them.
  • oils are, for example, silicone oils and vegetable oils, such as calendula oil, jojoba oil, avocado oil, macadamia nut oil, castor oil, cocoa butter, coconut oil, corn oil etc.
  • the preparation according to the invention can also be formulated with gelling agents.
  • Suitable gelling agents include carbomers, xanthan gum, carrageenan, acacia, guar gum, agar agar, alginates and tyloses, carboxymethyl cellulose, hydroxyethyl cellulose, quaternized cellulose, quaternized guar, certain polyacrylates, polyvinyl alcohol, polyvinyl pyrrolidone, montmorillonite. Carbomer is preferred.
  • Pigments, pigment mixtures or powders with a pigment-like effect can also be added, including those with a pearlescent effect.
  • These can include, for example, iron oxides, natural aluminum silicates such as ocher, titanium dioxide, mica, kaolin / manganese-containing clays, calcium carbonate, talc, mica-titanium oxide, mica-titanium oxide-iron oxide, bismuth oxychloride, nylon beads,
  • Polyols are also possible components of the invention
  • Polyols are, for example, propylene glycol, dipropylene glycol, ethylene glycol, isoprene glycol, glycerin, butylene glycols, sorbitol and mixtures thereof.
  • the proportion of the polyol is in the range from 2 to 10% by weight, preferably from about 2 to about 7% by weight, based on the total weight of the product.
  • the invention will be explained in more detail below by examples. All information is given in percent by weight, unless stated otherwise.
  • Fig. 1 shows electron micrographs for wrinkling of the skin.
  • Phase B isoamyl p-methoxycinnamate 6.0, ethylhexyl salicylate 4.0, butyl
  • Phases A and B are prepared separately, heated to 75 ° C and combined with stirring. After longer homogenization for about 1-20 minutes at 2800-3200
  • Triazine 0.5 Methylene Bis-BenzotriazIyl Tetramethylbutyl-phenol / Decyl Glycosine / PPG / -
  • Triazines 3% ZnO and 5% TiO 2 were used, and both were combined with the
  • Phases A and B are added at 60 ° C.
  • Example 11 The composition corresponded to that of Example 3 with an additional 1% creatine.
  • Example 12 Comparative Example Skin moisture measurements were made with the corneometer at 12
  • Cream A Composition according to Example 10, but without caffeine / complex amino acid salt (Phototan®)
  • Cream B Composition according to Example 10, but without watermelon extract
  • Cream C composition according to Example 10
  • Example 13 User test A user test was carried out with 100 test subjects aged 35 to 56 years. In test phase 1, the test subjects received three commercially available creams / lotions, which had been advertised by well-known manufacturers as a pre-sun product, as a sun product with SPF 15 and as an after-sun product. The products were used once a day for 14 days. This was followed by a break of four weeks.
  • the test subjects received creams / lotions according to Examples 3, 8 and 10 of the invention.
  • the products of the invention were rated significantly better by the test subjects without exception.
  • the following positive opinions were obtained regarding the product combination according to the invention (in%): refreshing 90 soothing 90 reddening 91 soothing sunburn 85 immediately soothing 85 long-lasting soothing 94
  • Example 15 Dermis repair / fiber protection in vitro In vitro tests (ELISA immunoassay) were carried out on normal human fibroblasts. At SPF levels 8, 15 and 30 there was a dermis repair effect of treated fibroblasts compared to untreated fibroblasts of +20%. The dermis fiber protection of untreated and UV-irradiated fibroblasts and treated and UV-irradiated fibroblasts was -38%. The proportion of metal proteinase matrix was measured.
  • Example 16 Skin Tanning in Vitro In vitro tests were carried out on normal human melanocytes. In SPF stages 8, 15 and 30, the amount of melanin increased by + 45% for the treated melanocytes compared to the untreated ones after UVB irradiation. Example 17 Skin protection / wrinkling

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  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
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  • Engineering & Computer Science (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Botany (AREA)
  • Dermatology (AREA)
  • Emergency Medicine (AREA)
  • Cosmetics (AREA)

Abstract

L'invention concerne un procédé cosmétique permettant de traiter la peau avec différents produits solaires. L'invention concerne également une association de produits solaires. Ce procédé consiste à appliquer plusieurs fois un produit avant-soleil avant une exposition intensive aux rayons ultraviolets puis à appliquer un produit solaire et enfin plusieurs fois un produit après-soleil. Le produit avant-soleil contient un capteur de radicaux, l'association caféine/sel d'acide aminé complexe, l'association photolyase/endonucléase UV et un extrait d'algues de Corallina officinalis. Le produit solaire contient une association filtres UV composée de filtres UVA et UVB avec au moins 3 % en poids de filtre UVA. Et le produit après-soleil contient des composantes semblables à celles du produit avant-soleil si ce n'est que la fraction de capteurs de radicaux et de l'enzyme photolyase est inférieure de 50 à 90 % en poids, la fraction de l'enzyme endonucléase UV est supérieure de 50 à 90 % en poids et il contient un extrait végétal refroidissant à la place de l'extrait d'algues.
EP05730919A 2004-04-20 2005-04-14 Procede cosmetique de traitement de la peau avec des produits solaires et association de produits solaires Withdrawn EP1746972A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004020060A DE102004020060B3 (de) 2004-04-20 2004-04-20 Kosmetisches Verfahren zur Behandlung der Haut mit Sonnenprodukten und Sonnenprodukt-Kombination
PCT/EP2005/004150 WO2005102260A1 (fr) 2004-04-20 2005-04-14 Procede cosmetique de traitement de la peau avec des produits solaires et association de produits solaires

Publications (1)

Publication Number Publication Date
EP1746972A1 true EP1746972A1 (fr) 2007-01-31

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EP05730919A Withdrawn EP1746972A1 (fr) 2004-04-20 2005-04-14 Procede cosmetique de traitement de la peau avec des produits solaires et association de produits solaires

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US (1) US7892523B2 (fr)
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DE102004020060B3 (de) 2005-06-02
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JP2007533690A (ja) 2007-11-22
CN1942169A (zh) 2007-04-04
US7892523B2 (en) 2011-02-22

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