A method of thickening and styling human keratinous fibres using a particular catalytic system

Combination (C1) of an aromatic compound with at least two adjacent hydroxy groups and a catalyst comprising a divalent manganese and/or zinc oxide or salt and an alkali(ne earth) metal bicarbonate is used to produce a composition for increasing the density of human hair and/or treating androgenic a...

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Hauptverfasser: QUINN, FRANCIS XAVIER, MAHE, YANN, PRUCHE, FRANCIS
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MAHE, YANN
PRUCHE, FRANCIS
description Combination (C1) of an aromatic compound with at least two adjacent hydroxy groups and a catalyst comprising a divalent manganese and/or zinc oxide or salt and an alkali(ne earth) metal bicarbonate is used to produce a composition for increasing the density of human hair and/or treating androgenic alopecia or for hair styling. Independent claims are also included for: (1) use of a combination (C2) as defined for C1 in which the molar ratio of manganese and/or zinc to bicarbonate is no more than 1:1 in a topical composition as an agent for increasing the density of human keratinic fibers or for hair styling; (2) cosmetic method for increasing the density of human hair or for hair styling, comprising applying a composition comprising C2 to the hair and/or scalp; (3) composition for care of human keratinic fibers and/or the skin from which they emerge, comprising C2 in a physiologically acceptable medium. L'invention se rapporte à un procédé de densification des cheveux, comprenant une étape d'application sur les cheveux et/ou le cuir chevelu d'une composition comprenant, dans un milieu physiologiquement acceptable, une quantité efficace d'au moins un précurseur de densification choisi parmi les composés comportant au moins un cycle aromatique ayant au moins deux groupes hydroxyles portés par deux atomes de carbone consécutifs du cycle aromatique et une quantité efficace d'un système catalytique comprenant un premier constituant choisi parmi les sels et oxydes de Mn(II) et/ou de Zn(II) et leurs mélanges et un second constituant choisi parmi les hydrogénocarbonates alcalins, les hydrogénocarbonates alcalino-terreux et leurs mélanges. Elle se rapporte aussi à une composition contenant dans un milieu physiologiquement acceptable lesdits précurseur de densification et système catalytique, associés à un actif favorisant la repousse des cheveux, à effet retard ou pour le coiffage des cheveux.
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L'invention se rapporte à un procédé de densification des cheveux, comprenant une étape d'application sur les cheveux et/ou le cuir chevelu d'une composition comprenant, dans un milieu physiologiquement acceptable, une quantité efficace d'au moins un précurseur de densification choisi parmi les composés comportant au moins un cycle aromatique ayant au moins deux groupes hydroxyles portés par deux atomes de carbone consécutifs du cycle aromatique et une quantité efficace d'un système catalytique comprenant un premier constituant choisi parmi les sels et oxydes de Mn(II) et/ou de Zn(II) et leurs mélanges et un second constituant choisi parmi les hydrogénocarbonates alcalins, les hydrogénocarbonates alcalino-terreux et leurs mélanges. 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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
title A method of thickening and styling human keratinous fibres using a particular catalytic system
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