A double process approach involves first decolorizing hair and then coloring it again to the appropriate level and tone. When a single color process cannot produce the desired color, a double process procedure is used.
A patch test is required for any colors that have an aniline derivative hue. Applying the appropriate solution to the client's skin, giving it time to absorb, and checking for allergy symptoms like itching, burning, redness, etc. constitute a patch test.
When the hair end protrudes over the top of the iron, it causes fishhook ends, which are crinkled or creased ends.
Both stationary and moveable guides are utilized when cutting hair (mobile).
The spine of the comb straightens the hair when performing a pressing treatment on hair using a pressing comb.
Temporary haircolor is categorized as spray-on haircolor.
Trichology is the scientific term for the study of hair.
Cutting a shag at 180 degrees
Permanent colors can deposit color and elevate natural pigment in a single step.
The primary colors are red, blue, yellow.
It is advised to take smaller parts on clients with heavy density hair to enable for even absorption of the permanent wave solution.
The term "projection" is another synonym for elevation.
6% peroxide is present in 20 volume developer.
The color wheel indicates that orange and blue are complementary hues. Blue is utilized to temper the brassy (orange) tone's warmth. Red and green, as well as yellow and violet, are other complementing hues.
Hair may become dry and brittle when using shampoos with high ph levels.
A smaller piece of hair is called a part.