Patent ID: 6162425
Filing Date: 2000-12-19
Classification: A61K,A61Q,C07D

Abstract:
An aqueous composition for permanent shaping of hair having a pH of from 3 to 9.5 and comprisingwater;from 3 to 28% by weight of a compound of the formula (I), as keratin-reducing agent: ##STR5## or a salt thereof, wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently selected from the group consisting of H, alkyl groups having 1 to 3 carbon atoms, hydroxyalkyl groups having 1 to 3 carbon atoms and a carboxyl group, wherein at least one of said R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is not said H;n is 1, 2 or 3;m is 1, 2 or 3; andX is a bivalent group --O--, --C(R.sub.5)R.sub.6 -- or --NR.sub.7 --, where said R.sub.5, R.sub.6 and R.sub.7 are each independently selected from the group consisting of H, alkyl groups having 1 to 3 carbon atoms, hydroxyalkyl groups having 1 to 3 carbon atoms and a carboxyl group;from 0.1 to 10 percent by weight of buffer substances;from 0.2 to 30 percent by weight of at least one wetting agent or emulsifier;from 0.5 to 20 percent by weight of at least one thickener;from 0.1 to 20 percent by weight of at least one alcohol;from 0.01 to 1 percent by weight of at least one member selected from the group consisting of turbidity-inducing agents, perfume oils and dye compounds; andfrom 0.1 to 5 percent by weight of at least one ingredient selected from the group consisting of sugars, solvating agents, stabilizers and hair conditioning and hair care-giving agents.