Neutral base colors are often used to ___.

When the cuticle is tight and the hair is resistant, it is difficult for moisture or chemicals to penetrate. What term describes this condition?

The darkest hair colors in the level system are identified as being a level ___, while the lightest hair colors in the level system are ___.

All haircoloring products require a patch test, with the exception of ___.

Primary and secondary colors that are positioned opposite each on the color wheel are ___.

When the cuticle is slightly raised and the hair is normal and processes in an average amount of time, the hair would be said to have ___.

Lighteners that have a thicker consistency and give more control during scalp application are known as ___.

Before performing a coloring service with an aniline derivative product, the client must have a(n) ___.

To test for porosity, take several strands from four different areas of the head: the front hairline, the temple, the crown, and the ___.

The ability of the hair to absorb moisture is known as ___.

Clients with hair in questionable condition who request chemical services should be required to sign a ___.

You should NEVER apply hair color to a client if the scalp has any obvious signs of ___.