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

• extra mild

• regular

• mild

• strong or super

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

The combination of a thio relaxer and a thio permanent wrapped on large tools is called a:

• soft curl permanent

• thioglycolate reconstructer

• relaxer curl permanent

• hard curl permanent

The most commonly used methods of hair relaxing are the sodium hydroxide method and the _______ method:

• thermal

• thio

• ammonia

• peroxide

To check relaxer processing, smooth and press a strand to the scalp using the back of the comb or your finger. If curl returns, _______:

• rinse immediately

• add neutralizer

• continue processing

• add conditioner

What is used to restore the hair and scalp to their normal acidic pH?

• cream conditioner

• medicated shampoo

• conditioning filler

• normalizing lotion

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

• softener

• breakdown cream

• swelling compound

• neutralizer

What are the two types of formulas for sodium hydroxide chemical hair relaxers?

• base and no base

• lye and no lye

• stabilizer and no stabilizer

• cream and no cream