What will restrict the application of any chemical service being done on the hair?

What is an alkalizing ingredient?

The majority of permanent haircolor products use 10, 25, 30, or 40 volume hydrogen peroxide for proper lift and color development.

What is the first step in establishing a relationship with your client and ensuring you are set up for success?

What color will lighten and deposit color at the same time and in a single process?

What volume peroxide would you use with permanent color for gray coverage?

Aniline derivatives are traditional semi, demi and permanent haircolor products that are used primarily on pre-lightened hair to achieve pale and delicate colors.

Temporary haircolor are non-oxidation colors that make only a physical change, not a chemical change, in the  hair shaft.

The scientific study of the functions and activities performed by the body’s structures is called _____.

Which organ is part of the female reproductive system?