Photoprotective cosmetic compositions containing aromatic amide, sulphonamide or carbamate derivatives of acrylonitrile and novel aromatic amide, sulphonamide or carbamate derivatives of acrylonitrile

   
   

Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) ##STR1## in which X.sub.1 represents R.sub.3 --(C.dbd.O)--, R.sub.3 --SO.sub.2 -- or R.sub.3 --O--(C.dbd.O)--, X.sub.2 represents --(C.dbd.O)--R'.sub.3 --(C.dbd.O)--, --SO.sub.2 --R'.sub.3 --SO.sub.2 -- or --(C.dbd.O)--O--R'.sub.3 --O--(C.dbd.O)--, Y represents --(C.dbd.O)--R.sub.4 or --SO.sub.2 R.sub.5, R.sub.2 represents a C.sub.1-8 alkyl group, n is 0, 1 or 2, R.sub.3 represents C.sub.1-30 alkyl or C.sub.3-30 alkenyl, R'.sub.3 represents a single bond or a divalent C.sub.1-30 alkylene or C.sub.3-30 alkenylene radical, R.sub.4 represents --OR.sub.6 or --NHR.sub.6, R.sub.5 represents C.sub.1-30 alkyl or a phenyl nucleus, R.sub.6 represents C.sub.1-30 alkyl or C.sub.3-30 alkenyl, and novel compounds of formula (2).

Composições cosmetic para o uso tópico para proteger a pele e o cabelo, contendo, em uma sustentação cosmetically aceitável, ao menos em um composto da fórmula (1) ou (2) ## do ## STR1 em que X.sub.1 representa R.sub.3 -- (C.dbd.O) --. R.sub.3 -- SO.sub.2 -- ou R.sub.3 -- O -- (C.dbd.O) --. X.sub.2 representam -- (C.dbd.O) -- R'.sub.3 -- (C.dbd.O) --. -- SO.sub.2 -- R'.sub.3 -- SO.sub.2 -- ou -- (C.dbd.O) -- O -- R'.sub.3 -- O -- (C.dbd.O) --. Y representam -- (C.dbd.O) -- R.sub.4 ou -- SO.sub.2 R.sub.5, R.sub.2 representa um grupo C.sub.1-8 alkyl, n é 0, 1 ou 2, R.sub.3 representa o alkyl C.sub.1-30 ou o alkenyl C.sub.3-30, R'.sub.3 representa uma única ligação ou um radical divalent do alkylene C.sub.1-30 ou do alkenylene C.sub.3-30, R.sub.4 representa -- OR.sub.6 ou -- NHR.sub.6, R.sub.5 representam o alkyl C.sub.1-30 ou um núcleo phenyl, R.sub.6 representa o alkyl C.sub.1-30 ou o alkenyl C.sub.3-30, e os compostos da novela da fórmula (2).

 
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