Cosmetic composition containing an association of ceramides and its use

摘要

Cosmetic compsn. contains a mixt. of at least one ceramide of formula (I) C15H31-CH(OH)-CH(CH2OH)-NHCOR1 and at least one ceramide of formula (II) C13H27-CH=CH-CH(OH)CH(CH2OH)-NHCOR2 and/or (III) C17H35-CH(OH)-CH(CH2OH)-NHCOR3. In the formulae, R1-R3 are(un)branched opt. satd. 12-30C hydrocarbyl which is opt. substd. by one or more OH gps. Also claimed is the method of treating keratinic fibres e.g. hair, comprising application of the compsn. Pref. ceramic mixt. comprises 65-90 wt.% (I) and 10-35 wt.% (II) and/or (III) pref. 75-85 (esp.80) wt.% (I), 10-15 (esp. 12) wt.% (II) and 5-10 (esp. 8) wt.% (III) and opt. 0-3 wt.% of a ceramide of formula (IV) C14H29-CH(OH)2-CH(CH2OH)-NHCOR4 where R4 is a gp. as defined for R1-R3.