Toilet – Methods – Hair treatment by application of specific chemical composition
Patent
1991-11-14
1992-07-21
Mancene, Gene
Toilet
Methods
Hair treatment by application of specific chemical composition
132200, 132203, 424 70, 424 71, A45D 704
Patent
active
051314177
ABSTRACT:
A method of obtaining a hair damage rating is obtained by determining the change in hair structure, such as measuring the amount of free sulfhydryl groups after hair treatment or exposure to agents, comparing this with a number of such groups before treatment to obtain a percentage change, establishing a rating scale having a range of percentage change values, and selecting the hair damage factor a number corresponding to the determined percentage change after treatment.
REFERENCES:
patent: 3472243 (1969-10-01), Wall et al.
patent: 3472604 (1969-10-01), Dasher et al.
patent: 4970067 (1990-11-01), Panandiker et al.
patent: 4971080 (1990-11-01), Rubinstein
Pervaiz Syed
Zaias Nardo
LaViola Frank A.
Mancene Gene
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