| abstract |
Aqueous compositions for the permanent shaping of keratinous fibers, especially human hair, having a pH of 8.0 to 8.5 and containing not more than 0.1 mmol of ammonia per 100 g of the composition, comprising (a) 0.5 to 20% by weight of cysteine, (b) 0.5 to 10% by weight of at least one (C 2 to C 6 )-alkanolamine as an alkalizing agent, have excellent waving action, are mild to the skin and are less odorous. |