Composition for treating keratinous material, including at least

Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid

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424 47, 424 7011, A61K 912

Patent

active

061654442

DESCRIPTION:

BRIEF SUMMARY
The present invention relates to a cosmetic or dermatological composition for treating keratin substances, in particular human hair, this composition comprising at least one grafted silicone polymer comprising a polysiloxane portion and a portion consisting of a non-silicone organic chain, one of the two portions constituting the main chain of the polymer, the other being grafted onto the said main chain, and at least one selected fatty-chain amide, as well as to their uses.
Washing and/or care and/or treatment compositions for the hair containing styling polymers in their formulation generally have the drawback of making it difficult to disentangle, restyle or brush the hair. Moreover, the styling properties such as the fixing power are still unsatisfactory.
The expression fixing power of the composition will be understood to refer to the ability of this composition to give the hair cohesion such that the initial shape of the hairstyle is held.
The Applicant has discovered, surprisingly, that using compositions containing a styling polymer of the grafted silicone polymer type comprising a polysiloxane portion and a portion consisting of a non-silicone organic chain, one of the two portions constituting the main chain of the polymer, the other being grafted onto the said main chain of the polymers of the grafted silicone polymer type, in combination with particular fatty-chain amides, improves the fixing power, the disentangling and the styling or brushing of the hair after it has been applied.
These compositions also make it possible to enhance the cosmetic properties, in particular the softness and smoothness of the hair.
The composition according to the invention is thus essentially characterized in that it contains, in a cosmetically or dermatologically acceptable medium, at least one grafted silicone polymer comprising a polysiloxane portion and a portion consisting of a non-silicone organic chain, one of the two portions constituting the main chain of the polymer, the other being grafted onto the said main chain, and at least one fatty-chain amide corresponding to the general formula (I): ##STR1## in which: R.sub.1 denotes either a linear or branched, saturated or unsaturated, C.sub.9 -C.sub.30 hydrocarbon radical, it being possible for this radical to be substituted with one or more hydroxyl groups optionally esterified with a saturated or unsaturated C.sub.16 -C.sub.30 fatty acid; or a radical R"--(NR--CO).sub.n --R' in which n is equal to 0 or 1, R denotes hydrogen or hydroxyethyl, R' and R" are hydrocarbon radicals the sum of whose carbon atoms is between 9 and 30, R' being a divalent radical; or sulphogalactosyl radical, in which n is an integer ranging from 1 to 4 and m is an integer ranging from 1 to 8; -C.sub.27 hydrocarbon radical, it being possible for this radical to be substituted with one or more C.sub.1 -C.sub.14 alkyl radicals; R.sub.3 can also denote a C.sub.15 -C.sub.26 .alpha.-hydroxyalkyl radical, the hydroxyl group optionally being esterified with a C.sub.16 -C.sub.30 .alpha.-hydroxy acid; saturated or unsaturated C.sub.16 -C.sub.27 hydrocarbon radical or a group --CH.sub.2 --CHOH--CH.sub.2 --O--R.sub.6 in which R.sub.6 denotes a C.sub.10 -C.sub.26 hydrocarbon radical; -C.sub.4-- hydrocarbon radical.
Among the compounds of formula (I), the ceramides and/or glycoceramides whose structure is described by Downing in the Journal of Lipid Research Vol. 35, 2060-2068, 1994, or those described in French patent application FR-2,673,179, the teachings of which are included herein by way of reference, are preferred.
The ceramides more particularly preferred according to the invention are the compounds of formula (I) for which R.sub.1 denotes a saturated or unsaturated alkyl derived from C.sub.16 -C.sub.22 fatty acids, R.sub.2 denotes a hydrogen atom and R.sub.3 denotes a saturated, linear, C.sub.15 radical.
Specific mixtures can also be used, such as, for example, mixtures of ceramide(s) 2 and ceramide(s) 5.
The compounds of formula (I) for which R.sub.1 denotes a saturated or unsaturated a

REFERENCES:
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patent: 5840291 (1998-11-01), Tsubakihara et al.
patent: 5869034 (1999-02-01), Montastier et al.
patent: 5879671 (1999-03-01), Halloran et al.
patent: 5911979 (1999-06-01), Midha et al.
patent: 5919439 (1999-07-01), Torgerson et al.

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