Chemical Texture Services

Front

What is the primary active ingredient in acid perm solutions?

Back

Ammonium thioglycolate (ATG)

Front

What is the primary active ingredient in alkaline perm solutions?

Back

Glyceryl monothioglycolate (GMTG)

Front

What type of hair is best suited for acid perm solutions?

Back

Fine, color-treated, and fragile hair.

Front

What type of hair is best suited for alkaline perm solutions?

Back

Coarse and moisture-resistant hair.

Front

What is the primary reducing agent used in thio-free waves?

Back

Cysteamine or mercaptamine.

Front

What is the function of roller picks in permanent wave services?

Back

They can be used to lift the bands off the perm rods.

Front

What three factors should be analyzed before performing a perm service?

Back

Elasticity, porosity, and general health of the hair.

Front

What is the purpose of a neutralizing bib in a perm service?

Back

To prevent the neutralizer solution from running onto the client's shoulders and back.

Front

What is the role of ammonium thioglycolate in perming?

Back

It acts as a reducing agent that breaks down the disulfide bonds in hair.

Front

What is the difference between a thio-free wave and a traditional perm?

Back

Thio-free waves use cysteamine or mercaptamine instead of ammonium thioglycolate.