Substantive UV-absorbing water-soluble 2-hydroxy sulfobetaine of cinnamidoalkylamines of Formula I. Hair, skin and fabric care compositions containing the compounds of Formula I. ##STR1## wherein, R.sub.1 is a substituent, selected from H, halo, --OH, --NH.sub.2, --NO.sub.2, --OCH.sub.3, --N(CH.sub.3).sub.2, alkyl groups containing from 1 to 6 carbon atoms, alkoxy groups containing from 1 to 6 carbon atoms, alkylamino or N,N-dialkylamino groups containing from 1 to 6 carbon atoms; R.sub.2 is selected from hydrogen, alkyl group containing from 1 to 12 carbon atoms; R.sub.3 and R.sub.4 are independently selected from benzyl, alkyl group containing from 1 to 12 carbon atoms, n is an integer from 1 to 6.

O substantivo queabsorvem o sulfobetaine 2-hydroxy water-soluble dos cinnamidoalkylamines da fórmula I. Cabelo, a pele e a tela importam-se as composições que contêm os compostos da fórmula I. ## do ## STR1 wherein, R.sub.1 é um substituent, selecionado de H, o halo, --OH, -- NH.sub.2, -- NO.sub.2, -- OCH.sub.3, -- N(CH.sub.3).sub.2, grupos alkyl que contêm 1 a 6 átomos de carbono, grupos alkoxy que contêm 1 a 6 átomos de carbono, alkylamino ou N, grupos de N-dialkylamino que contêm 1 a 6 átomos de carbono; R.sub.2 é selecionado do hidrogênio, grupo alkyl que contem 1 a 12 átomos de carbono; R.sub.3 e R.sub.4 são selecionados independentemente do grupo benzyl, alkyl que contem 1 a 12 átomos de carbono, n são um inteiro de 1 a 6.

 
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