Cos Juniors FE 28

For ______________, the hair is wrapped at an angle of 90 degrees or perpendicular to its base section, and the rod is positioned half off its base section.

• half-off base placement

• off-base placement

• on-base placement

• double-base placement

What determines the size of the curl in a permanent waving process?

• The color of the hair
• The size of the rod
• The length of the hair
• The texture of the hair 

Which layer of the hair is located directly beneath the cuticle layer and is responsible for the incredible strength and elasticity of human hair?

• Cortex
• Cuticle
• Medulla
• Hair shaft

Soft curl permanents loosening overly curly hair such as when tight curls and turned into loose curls or waves

• Chemical Relaxing

• Virgin Lightening

• Permanent Waving

• Curl Re-forming

The natural pH of hair is between:

• 4.0-5.0

• 4.5-5.5

• 6.0-7.0

• 7.0-8.0

The two basic types of wrapping the hair around a perm rod are the spiral and:

• loop technique

• croquignole perm technique

• placement technique

• horizontal technique

A reduction reaction involves either the addition of hydrogen or the removal of:

• oxygen

• peroxide

• carbon

• notrogen

Most cold waves have a pH between:

• 9.0 and 9.6

• 10.0 and 10.8

• 8.0 and 9.0

• 7.6 and 8.4

The three separate components of acid waves are permanent waving solution, activator, and:

• conditioner

• stabilizer

• neutralizer

• shampoo

An endothermic wave is activated by:

• an ammonia lotion

• an outside heat source

• a sulfite source

• a reducing agent