ODORLESS THIOLS FOR PERMANENT WAVING, STRAIGHTENING AND DEPILATORY APPLICATIONS

Described herein is a method for treating hair including: (a) putting the hair in a desired shape; (b) before and/or after the hair is put in the desired shape, applying a reducing composition to the hair including: (i) from about 2.5% to about 15% of a cationic mercapto amino pyridinium compound or a cationic dimercapto amino pyridinium compound; (ii) from about 4% to about 10% of a buffering system; and (iii) from about 50% to about 93.5% of a solvent; (c) rinsing the reducing composition from the hair; (d) applying an oxidizing composition to the hair including: (i) from about 0.5% to about 12% of an oxidizing agent; and (ii) from about 80% to about 97% of a solvent; and (e) rinsing the oxidizing composition from the hair. The reducing composition has a pH of from about 8 to about 10.5;