Milady Chapter 21 Haircoloring

Front

What does volume describe in relation to developer?

Back

Volume describes the concentration and strength of the developer.

Front

What are the two processes that permanent color can perform simultaneously?

Back

Permanent color can lighten and deposit color at the same time.

Front

What is the purpose of a level and underlying pigment chart?

Back

The level and underlying pigment chart helps to determine the natural hair color level and the underlying pigments present.

Front

Where are the two areas used for a patch test?

Back

The two areas used for a patch test are the inside of the elbow and behind the ear.

Front

What type of natural hair color is found in darker levels and contains more iron?

Back

Eumelanin is the type of natural hair color found in darker levels, containing more iron and red undertones.

Front

What is the significance of developer volume in hair coloring?

Back

Developer volume indicates the strength of the hydrogen peroxide used, affecting the lightening process.

Front

What is the difference between eumelanin and pheomelanin?

Back

Eumelanin is responsible for darker hair colors and has more red undertones, while pheomelanin is responsible for lighter hair colors and has yellow to red undertones.

Front

What is the role of a patch test in hair coloring?

Back

A patch test is used to determine if a client has an allergic reaction to the hair color product.

Front

What does the term 'deposit' mean in hair coloring?

Back

Deposit refers to adding color to the hair without lightening it.

Front

What is the effect of using a higher volume developer?

Back

A higher volume developer will lighten the hair more effectively and is used for more significant color changes.