L'oreal

Anne-Claude Dublanchet

Christian Blaise

Michel Philippe

Nathalie Mougin

Xavier Schultze

Abel Messavussu

Gérard Malle

Philippe Barbarat

The invention relates to a cosmetic composition, especially a hair composition, and to a method for the cosmetic treatment of keratin materials, especially of the hair, employing compounds of formula: in which Z represents (i) a hydrogen atom, (ii) a linear or branched C1 to C32 (saturated) alkyl radical; (iii) a linear or branched C2 to C32 (unsaturated) alkene radical, comprising one or two C&#x2550;C double bonds; (iv) an aryl-substituted alkyl radical; said radicals being optionally substituted and/or interrupted.

Cosmetic composition, cosmetic treatment method, kit, and compound

The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one cyclic or linear amide, (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250&#xb0; C.

Method for straightening keratinous fibres using heating means and an amide

The present invention relates to a cosmetic process for treating keratin materials, which can give them, especially in a long-lasting and reversible manner, interesting cosmetic properties; this process comprising the application to said materials:  The invention also relates to a kit comprising said compositions.

Cosmetic treatment processes and kit

The invention relates to a cosmetic composition, particularly for hair care, and to a method for cosmetically treating keratin material, particularly the hair, using the compounds of Formula (I), where: &#x2014;n=1, 2, 3, or 4; &#x2014;R1, R'1, R2, and R&#x2032;2 are H, &#x2014;OH, &#x2014;NRR&#x2032;, or a C1-C18 carbon group capable of containing one or more heteroatoms selected from among O, S, and N; and &#x2014;Z is a multivalent carbon radical optionally substitutable and/or interruptible by specific groupings, it being understood that said radical Z includes at least one heteroatom selected from among N, O, and S.

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Antony, France

Anne-Claude Dublanchet