Cat 1
Cat2
Cat3
Cat4
Cat5
100

The capability of the hair strand to stretch and return to its previous form without breaking

Elasticity

100

A loop or circle rod creates

Spiral curls

100

This product has an acidic pH that restores hairs, natural pH after a hydroxide relaxer

Normalizing lotion
100

An organic compound present in many beauty products that has a strong, pungent smell

Formaldehyde

100

An allergic reaction caused by repeated exposure to a chemical

Sensitization

200

A test done during the consultation to show how hair will respond to a chemical application

Preliminary strand

200

A Relaxer that requires the mixing of two products and that is advertised is “no-lye” sensitive skin

Guanidine hydroxide

200

With a concave ride, the diameter _____ from the center of the ends

Increases

200

Chemically restoring disulfide bond to harden into a new shape

Neutralizing

300

Products that are made without formaldehyde, but could omit a formaldehyde gas upon use

Formaldehyde free

300

The study of hair, it’s care, and disorders and diseases of the hair

Trichology

300

A mild relaxer that is compatible with thio relaxers

Ammonia bisulfite

300

The protein building block of hair, skin and nails

Keratin

400

Any illness caused by over exposure to certain products or ingredients

Occupational

400

A barrier applied around the hairline and ears to protect skin

protective cream

400

Chemically arranging straight hair into a curly or wavy pattern form

Permanent waving

400

The position of the two in relation to its base; determined by the angle at which the hair is wrapped?

Base control

500

Test done during a chemical relaxer to determine the process time

Processing strand

500

New hair growth from the scalp that has not yet been chemically changed

New growth

500

A form affirming your guest was advised of the potential risk of a chemical service

Release statement

500

The ability of hair to absorb any liquid

Porosity