Chemical relaxers

The process of permanently rearranging the basic structure of overly curly hair into a straight form is called:

• thermal straightening

• chemical hair relaxing

• permanent waving

• chemical hair softening

Of the general types of hair relaxers which one does not require pre-shampooing?

• soduim hydroxide

• sodium thioglycolate

• ammonium thioglycolate

• acid-based relaxers

The chemical required to stop the action of the chemical relaxer is:

• petroleum cream

• neutralizer

• conditioner

• waving lotion

The processing time of a chemical relaxer is affected by

• the strength of a product

• the hair type

• base relaxers

• all of the above

What stops the action of any chemical relaxer that may remain in the hair after rinsing?

• softener

• breakdown cream

• swelling compound

• neutralizer

Sodium hydroxide relaxers are commonly called:

• lye relaxers

• no-lye relaxers

• base relaxers

• no-base relaxers

What are the three basic steps used in chemical hair relaxing?

• wrapping, application, rinising

• processing, neutralizing, conditioning

• shampooing, application, conditioning

• processing, neutralizing, stabilizing

The strength of the relaxer is determined by the strand test. General guidelines suggest that for coarse hair, the following strength is used:

• extra mild

• regular

• mild

• strong or super

The strength of the relaxer is determined by the strand test. General guidelines suggest that for fine hair, the following strength is used:

• extra mild

• regular

• mild

• strong or super

Before giving a relaxing treatment to overly curly hair, the cosmetologist must judge its texture, porosity and:

• length and elasticity

• elasticity and silkkiness

• elasticity and extend of damage, if any

• softness and extent of damage, if any