Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Two or more designated surfactant containing
Patent
1995-11-29
1998-05-26
Gardner-Lane, Sally
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Two or more designated surfactant containing
424 7022, 424 7031, 424401, A61K 706, A61K 700
Patent
active
057560790
DESCRIPTION:
BRIEF SUMMARY
This application is filed under 37 C.F.R. 371 and claims a priority date of May 5, 1994 based on PCT/FR94/00630 and a priority date of Jun. 1, 1993 under 35 U.S.C. 119.
The invention relates to cosmetic compositions containing at least one anionic surfactant of alkylgalactoside uronate type and at least one nonionic surfactant of alkylpolyglycoside and/or polyglycerolated type.
Compositions for washing the hair or the skin are generally formulated from anionic or nonionic surfactants or their mixtures, optionally in the presence of amphoteric surfactants.
Hair attacked by atmospheric agents such as light or chemical treatments and washed with conventional washing compositions is difficult to disentangle and this disadvantage is found to be further accentuated in the case of fine hair.
Anionic surfactants of alkylgalactoside uronate type have already been recommended in washing compositions for the hair. They have been described in Patent Application EP 0,532,370.
Nonionic surfactants of the alkylpolyglycoside or polyglycerolated family have also been used in cosmetic washing compositions. These are gentle, well tolerated and biodegradable detergents.
Compositions for washing the hair which use these anionic or nonionic surfactants alone do not lead to good cosmetic properties; in particular, the disentangling of wet hair is difficult and the qualities of the lathers are unsatisfactory.
The Applicant Company has just surprisingly discovered that the combination, in washing and/or treating compositions for keratinous substances, of an anionic surfactant of alkylgalactoside uronate type and of a nonionic surfactant of alkylpolyglycoside and/or polyglycerolated type conferred improved disentangling properties on these compositions.
Moreover, the combination in accordance with the present invention makes it possible to obtain a copious, compact and very gentle lather.
In addition, the. Applicant Company has observed that cosmetic compositions containing such a combination conferred good cosmetic properties, such as softness and a pleasant feel, on keratinous substances.
The subject of the present invention is therefore cosmetic compositions containing at least one anionic surfactant of alkylgalactoside uronate type and at least one nonionic surfactant of alkylpolyglycoside and/or polyglycerolated type.
Another subject of the invention consists of the use of these compositions for treating and/or washing keratinous substances such as the hair or the skin.
Another subject relates to a cosmetic treatment process for the hair or for the skin by means of the compositions of the invention; washing and treatment processes for the hair being preferred.
The cosmetic compositions according to the invention contain, in a cosmetically acceptable aqueous medium:
(A) at least one anionic surfactant of alkylgalactoside uronate type of formula: ##STR3## in which: R.sub.1 denotes a linear or branched alkyl radical containing 8 to 22 carbon atoms, ##STR4## in which the carbon carrying the hydroxyl group is connected to the endocyclic oxygen atom; R.sub.2 being hydrogen, an alkali metal, an alkaline-earth metal or a quaternary ammonium group which is unsubstituted or substituted by alkyl or hydroxyalkyl radicals or derived from amino acids,
(B) and at least one nonionic surfactant of alkylpolyglycoside and/or polyglycerolated type.
Anionic surfactants of alkylgalactoside uronate type of formula (I) are known and may be prepared according to the processes described in Patent Application EP-A-0,532,370.
The alkali metal is in particular sodium or potassium and the alkaline-earth metal is preferably magnesium. Mention may be made, as quaternary ammonium salts, of the salts of ammonia, of triethanolamine, of monoethanolamine, of 2-amino-2-methyl-1,3-propanediol or of 2-methyl-2-amino-1-propanol; the amino acid is in particular histidine, arginine or lysine.
Use is preferably made of the compounds of formula (I) in which the R.sub.1 radical denotes a C.sub.8 -C.sub.14 alkyl and more particularly those having a decyl radical.
Use is in
Cauwet Daniele
Dubief Claude
"L'Oreal"
Gardner-Lane Sally
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