Lec: Hair Coloring Flashcards
add lighter or darker color to the hair
Hair Dyes
lighten the hair without adding a new color to it
Hair Bleaches
Types of Hair Coloring Products Based on the Action of the Hair Coloring Product
Hair Dyes and Hair Bleaches
T/F: Hair Bleaches do not contain any colorant
True
Hair Bleaches oxidizes ___________
melanin
Type of Hair Coloring Product Based on the Coloring Effect on the Hair
Temporary Dyes
Semi-Permanent Dyes
Demi-Permanent Dyes
Permanent Dyes
Hair Bleaches
affects outside of hair fibers by weak chemical
bonds
Temporary dyes
adhere to outside of hair fiber and partially
penetrate the cuticle layer
Semi-permanent dyes
penetrate the cuticle and cortex, contain
an oxidizing agent, and have a more alkaline pH
Demi-permanent dyes
penetrate both cuticle and cortex, contain higher
amount of oxidizing agent and have highly alkaline pH
Permanent dyes
remove hair color through chemical reaction
Hair bleaches
T/F: Good Haircolor products can color skin
False
T/F: Good Haircolor products are easy to rinse
True
T/F: Hair color products are cosmetics in the Philippines and US
as they are used for aesthetic purposes, applied on dead cells and
does not affect the physiology of the hair
True
Non-Oxidizing Products:
Temporary Dyes (Color Rinses)
Semi-Permanent Dyes
Progressive Hair Dyes
Coating on hair cuticle easily washed out after first
shampooing
Temporary Dyes (Color Rinses)
Contain azo compounds, triphenylmethane-based
dyes, indoamines, and indophenols
Temporary Dyes (Color Rinses)
Used to add slight tone, brighten hair, refresh
colored hair, or try out a hair color
Temporary Dyes (Color Rinses)
Liquids, shampoos, mousses, gels, and sprays
Temporary Dyes (Color Rinses)
Ideal for patients with less than 15% gray hair
Temporary Dyes (Color Rinses)
Use dyes that penetrate the hair cuticle
Semi-Permanent Dyes