RB CH 15: Chemical Texture Services

Which of the following statements best explains why cosmetologists should study chemical texture services?

• Without knowledge of texture services, cosmetologists cannot get licensed.

• Being able to change the texture of a client’s hair is necessary in order to style hair effectively.

• Chemical texture services are a lucrative area of cosmetology that brings in repeat customers because of its recurring nature.

• Chemical texture services are quick, easy, and inexpensive services for a broad range of customers.

Chemical hair relaxers are made up of which of the following substances?

• hydroxide and peroxide

• ammonium thioglycolate and sulfide

• hydroxide or ammonium thioglycolate

• ammonium and hydroxide

Guanidine hydroxide is an example of a (a)   .

• lye relaxer

• no-lye relaxer

• thio relaxer

• low-pH relaxer

The process by which hydroxide relaxers permanently straighten hair is known as (a)   .

• sulfurization

• lanthionization

• ionization

• reduction

Hydroxide relaxers typically have _________

• high pH

• low pH

• medium pH

• low-to-medium pH

A client with moderately curly hair comes into the salon and asks for the hair to be made 50 percent less curly, but not completely straight. The best product for such a treatment is _________

• potassium hydroxide

• ammonium thioglycolate (ATG)

• guanidine hydroxide

• any high-pH relaxer

Chemical hair relaxers work by breaking the hair’s disulfide bond. Thio-based relaxers perform this process differently from hydroxide relaxers. Which statement correctly characterizes the way in which thio-based relaxers differ from hydroxide relaxers?

• Thio relaxers add a sulfur atom to the disulfide bond.

• Thio relaxers remove a sulfur atom from the hair’s polypeptide chain.

• Thio relaxers add a hydrogen atom to the sulfur atoms, breaking the disulfide bond.

• Thio relaxers add oxygen atoms to the disulfide bond, breaking the disulfide bond.

On which of the following factors does the selection of a chemical relaxer depend?

• the lightness or darkness of a client’s hair

• the client’s wave pattern, texture, and hair density

• the degree of straightness required

• the alkalinity of the client’s hair

Hair relaxation services require the use of specific tools and supplies. Among these, the most important are (a)   .

• applicator brush, base cream, disposable gloves, and plastic clips

• styling comb, chemical cape, timer, and towels

• conditioner, base cream, metal clips, and disposable gloves

• applicator brush, metal clips, gloves, and towels

It is preferable to use a wide-tooth comb during a hair relaxation service in order to (a)   .

• ensure the even spread of the relaxer

• detangle the hair prior to the service

• comb hair after applying the relaxer

• add conditioner to the hair before applying relaxer