Chapter 21: Haircoloring

The natural color of hair is determined by this substance.

(a)  

Hair (a)   is detemined by the diameter of an individual hair strand.

Hair (a)   is the number of hairs per square inch, known as thick or thin.

(a)   is the hairs ability to absorb moisture.

Cuticle is lifted, hair takes color quickly.

• low porosity

• average porosity

• high porosity

Cuticle is tight, hair is resistant.

• low porosity

• average porosity

• high porosity

Cuticle is slightly raised, hair is normal and processes in an average amount of time

• low porosity

• average porosity

• high porosity

What are three components of hair?

(a)  

The outer layer of hair is known as (a)   .

The middle layer of hair is known as (a)   .