Milady Chapter 11 Properties of the Hair and Scalp

Front

What does porosity measure?

Back

How much water the hair can absorb.

Front

What is the correct order of the hair growth cycle?

Back

Anagen, catagen, and telogen.

Front

What breaks the disulfide bond in hair?

Back

Chemicals only.

Front

What breaks the hydrogen bond in hair?

Back

Water or heat.

Front

What role do Hydrogen, Salt, and Disulfide bonds play in hair?

Back

They are side bonds that connect protein chains.

Front

What is the anagen phase of hair growth?

Back

The active growth phase where hair follicles are producing new hair.

Front

What is the catagen phase of hair growth?

Back

The transitional phase where hair growth slows and the hair follicle shrinks.

Front

What is the telogen phase of hair growth?

Back

The resting phase where hair is shed and new hair begins to grow.

Front

What is the primary component of hair?

Back

Keratin, a fibrous protein.

Front

How does heat affect hair structure?

Back

Heat can break hydrogen bonds, altering the hair's shape.