| abstract |
Disclosed is the use of benzylidene malonate of formula 1 for the protection of human and animal hair and skin against UV radiation, wherein R 1 is methyl; ethyl; profile; Or n-butyl; When R < 1 > is methyl, R is tert.butyl; A; Wherein R < 2 > and R < 3 > are each independently of the other hydrogen; Or methyl; R 4 is methyl; ethyl; Or n-propyl; R 5 and R 6 are independently of each other hydrogen; Or C 1 -C 3 alkyl; R 1 is ethyl; profile; Or n-butyl, R is isopropyl. |