Permanent wave treatment to hair and material used therein

Details Permanent wave treatment to hair and material used therein Permanent wave treatment to hair and material used therein

1984-12-17

1986-10-07

McNeill, Gregory E.

Toilet

Nail device

Compound tools

424 70, A45D 700

Patent

active

046153462

ABSTRACT:
A test for the completeness of an application of neutralizer solution to hair during a permanent wave treatment is disclosed in which a small quantity of an acid-base indicator added to the neutralizer solution produces a visible change in the color of the end wraps.

REFERENCES:
patent: 2906273 (1959-09-01), Beauregard
Hackh's Chemical Dictionary, Aug. 1975, author-Julius Grant, pp. 343 and 426.

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