Ch 20 Chemical Relaxing

What is the process that rearranges the basic structure of curly hair into straight or smoother form?

• Thermal Straightening

• Chemical Hair Relaxing

• Permanent Waving

• Chemical Hair Softening

The most common type of chemical hair relaxers are ammonium thio, guanidine hydroxide, and_____________.

• Sodium Hydroxide

• Sodium Chloride

• Acid-Based

• Thermal Heat

The measurement of the thickness or thinness of a liquid that affects how the fluid flows in known as ____________.

• Heaviness

• Resistancy

• Viscosity

• Fluidity

Before giving a relaxing treatment to curly hair, the cosmetologist must perform an analysis of the client's hair and scalp, testing for porosity and ___________ on several areas of the head.

• length

• elasticity

• damage

• texture

In _______________, the process by which hydroxide relaxers permanently straighten hair, the relaxers remove a sulfur atom from a disulfide bond and convert it into a lanthionine bond.

• lanolination

• lanthionization

• neutralization

• normalization

Relaxers that are ionic compounds formed by a metal combined with oxygen and hydrogen are known as ______________.

• guanidine hydroxide relaxers

• metal hydroxide relaxers

• low-pH relaxers

• no-base Relaxer

Sodium Hydroxide relaxers are commonly called:

• guanidine hydroxide relaxers

• low pH relaxers

• lithium hydroxide relaxers

• lye relaxers

The action of a guanidine hydroxide, or no-lye relaxer causes the hair to _____________.

• soften and swell

• soften and shrink

• expand and harden

• harden and set

_______________relaxers are intended for use on color-treated, damaged, or fine hair.

• metal hydroxide

• sodium hydroxide

• no-lye

• low-pH

Hydroxide relaxers are usually sold in _____________formulas.

• base and no base

• lye and no lye

• stabilizer and no stabilizer

• cream and no cream