Anatomy
The ability of hair to absorb any liquid:
porosity
Chemically rearranging straight hair into a curly or wavy form:
permanent waving
require a protective base cream to be applied to the hairline and scalp.
Base Relaxers
A form affirming your Guest was advised of the potential risks of a chemical service:
release statement
A barrier applied around the hairline and ears to protect skin:
protective cream
New hair growth from the scalp that has not yet been chemically changed:
new growth
A loop or circle rod creates:
spiral curls
do not require a base cream applied to the skin or scalp.
No-Base Relaxers
A test done during a chemical relaxer to determine the processing time:
processing strand
An organic compound present in many beauty products that has a strong, pungent smell:
formaldehyde
The protein building block for hair, skin, and nails:
keratin
With a concave rod, the diameter does what from the center to the ends?
increases
This product has an acidic pH that restores hair’s natural pH after a hydroxide relaxer:
normalizing lotion
A test done during the consultation to see how hair will respond to a chemical application:
preliminary strand
Chemically restoring disulfide bonds to harden into a new shape:
neutralizing
The capability of the hair strand to stretch and return to its previous form without breaking:
elasticity
is wrapping the hair from ends inward toward the scalp in overlapping layers.
Croquignole Wrap
A relaxer that requires the mixing of two products and that is advertised as ‘no-lye’ for sensitive skin:
guanidine hydroxide
An allergic reaction caused by repeated exposure to a chemical:
sensitization
Products that are made without formaldehyde , but could omit a formaldehyde gas upon use:
formaldehyde free
The study of hair, its care, and disorders and diseases of the hair:
trichology
The position of the tool in relation to its base; determined by the angle at which the hair is wrapped:
base control
also called an acid-alkali neutralization reaction. It neutralizes any remaining alkaline residue left by the hydroxide relaxer and helps to restore the pH of the hair and scalp.
Hydroxide Neutralization
Any illness caused by overexposure to certain products or ingredients:
occupational disease
A mild relaxer that is compatible with thio relaxers:
ammonia bisulfite