Process for the permanent deformation of keratinous...

Details Process for the permanent deformation of keratinous... Process for the permanent deformation of keratinous...

2001-09-17

2009-02-10

Channavajjala, Lakshmi S (Department: 1611)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Permanent waving or straightening

C424S070100, C424S070400, C424S070160, C424S401000, C132S203000, C132S204000

Reexamination Certificate

active

07488470

ABSTRACT:
A two-stage treatment process suitable for the permanent deformation and/or shaping of keratinous substances and, in particular, the hair includes the application of a reducing composition containing, in addition to a reducing agent, an organic absorbing agent followed, after an optional rinsing, by the application of a neutralizing composition and by the rinsing of the keratinous substances thus treated.

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patent: 5017322 (1993-01-01), None
patent: WO 99/18922 (1999-04-01), None

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