| abstract |
There is provided a two stage acidic waving system of improved properties with respect to reduced irritation and hair destruction. The two stage solution consists of urea or its derivatives as all or part of a first stage for dissolving in a second stage to provide resulting aqueous solution which is from 1 to 4 molar in urea, 0.8 to 1.4 molar in a water soluble thiol, 0 to 0.6 molar in a bicarbonate compound, 0 to 0.007 molar in borax and a water soluble protein in an amount from about 2 to 5 percent by weight based on the total weight of the solution, the solution having a pH between 6 and 6.8. Following hair treatment with the waving solution, the hair is neutralized in a conventional manner and styled. |