Pre-assessment - perm ingredients

A hair saturated in an alkaline solution for ____________ showing the swelling of the cuticle layer:

• five minutes

• ten minutes

• two minutes

• fifteen minutes

______________soften and swell the hair and open the cuticle. They open the cuticle, permitting the solution to penetrate the cortex.

• Alkaline solutions

• Acidic solutions

• Perm waving

• Relaxer waving

_________ is a colorless liquid with a strong, unpleasant odor, is the most common reducing agent in permanent wave solutions

• Thioglycolic acid

• Ammonium thioglycolate (ATG)

• Glyceryl monothioglycolate (GMTG)

• Monothioglycolate

_________ which is alkaline and is the active ingredient or reducing agent in alkaline permanents.

• Thioglycolic acid

• Ammonium thioglycolate (ATG)

• Glyceryl monothioglycolate (GMTG)

• Monothioglycolate

_________ is the main active ingredient in true acid and acid-balanced waving lotions. It has a low pH and is the primary reducing agent in most acid waves.

• Thioglycolic acid

• Ammonium thioglycolate (ATG)

• Glyceryl monothioglycolate (GMTG)

• Monothioglycolate

The degrees of alkalinity of the perm solution should correspond to the resistance, strength, and porosity of the ________.

• cuticle layer

• cortex layer

• medulla layer

• all of the above

Acids do not swell the hair nor do they penetrate into the _______.

• cuticle layer

• cortex layer

• medulla layer

• all of the above

Once in the cortex, the waving solution breaks the disulfide bonds through a chemical reaction called ________.

• reduction

• reaction

• bonds

• atoms

The reducing agent, commonly referred to as ________ is used in permanent waving solutions

• bonds

• thio

• solutions

• reduction

Coarse hair with a strong resistant cuticle layer

• high porosity

• low porosity

• average porosity

• porosity