The capability of the hair strand to stretch and return to its previous form without breaking
Elasticity
A loop or circle rod creates
Spiral curls
This product has an acidic pH that restores hairs, natural pH after a hydroxide relaxer
An organic compound present in many beauty products that has a strong, pungent smell
Formaldehyde
An allergic reaction caused by repeated exposure to a chemical
Sensitization
A test done during the consultation to show how hair will respond to a chemical application
Preliminary strand
A Relaxer that requires the mixing of two products and that is advertised is “no-lye” sensitive skin
Guanidine hydroxide
With a concave ride, the diameter _____ from the center of the ends
Increases
Chemically restoring disulfide bond to harden into a new shape
Neutralizing
Products that are made without formaldehyde, but could omit a formaldehyde gas upon use
Formaldehyde free
The study of hair, it’s care, and disorders and diseases of the hair
Trichology
A mild relaxer that is compatible with thio relaxers
Ammonia bisulfite
The protein building block of hair, skin and nails
Keratin
Any illness caused by over exposure to certain products or ingredients
Occupational
A barrier applied around the hairline and ears to protect skin
protective cream
Chemically arranging straight hair into a curly or wavy pattern form
Permanent waving
The position of the two in relation to its base; determined by the angle at which the hair is wrapped?
Base control
Test done during a chemical relaxer to determine the process time
Processing strand
New hair growth from the scalp that has not yet been chemically changed
New growth
A form affirming your guest was advised of the potential risk of a chemical service
Release statement
The ability of hair to absorb any liquid
Porosity