Cosmetology Chemical Services 2

Question 1

What volume developer is most commonly used for a standard permanent haircolor application?

Accepted Answer

20 volume

Answer

10 volume

Answer

40 volume

Answer

30 volume

Question 2

A thio-free (acid-balanced) perm uses which active ingredient?

Accepted Answer

Glyceryl monothioglycolate

Answer

Ammonium thioglycolate

Answer

Sodium bisulfite

Answer

Cysteine

Question 3

What is the primary purpose of performing a strand test before a chemical service?

Accepted Answer

Predict the processing time and results

Answer

Check for allergic reactions

Answer

Assess scalp health

Answer

Determine hair density

Question 4

Hair that is overly porous and has been previously lightened is considered:

Accepted Answer

Damaged, high-porosity hair

Answer

Resistant hair

Answer

Normal porosity hair

Answer

Low porosity hair

Question 5

When relaxing previously relaxed hair (a retouch), the chemical is applied only to the:

Accepted Answer

New growth only

Answer

Entire hair shaft

Answer

Previously relaxed ends

Answer

Mid-strand and ends

Question 6

What natural pigment gives hair its red and yellow tones, revealed during lightening?

Accepted Answer

Phaeomelanin

Answer

Eumelanin

Answer

Melanocyte

Answer

Keratin