Milady Chemical Texture Ch 12,20

Most common type of perm rod.

• Concave Perm Rod
• Loop Rod
• Spiral Perm Wrap
• Croquinole Wrap

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 

What is a hydroxide relaxer that does not require the application of a protective base?

• Metal hydroxide relaxer
• No-base relaxer
• Cream relaxer
• Base cream relaxer

Where should you start the application of the chemical relaxer, often considered the most resistant area?

• Back of the head
• Side area
• Front hairline
• Scalp area

_____ minimizes stress and tension on the hair.

• Off-base placement
• Base placement
• Half off-base placement
• On-base placement

Chemical hair texturizers temporarily raise the pH of the hair to an alkaline state in order to _____.

• swell and set the shaft
• soften and swell the shaft
• expand and harden the shaft
• harden and close the shaft

The two methods of wrapping the hair around a perm rod are _____.

• croquignole and spiral
• flat and spiral
• croquignole and even
• spiral and perpendicular

The active ingredient or reducing agent in alkaline permanent waves is _____.

• lyceryl monothioglycolate
• hydrogen thioglycolate
• ammonium thioglycolate
• alkaline acids

The range of numbers used in the pH scale is _____.

• 0 to 5
• 0 to 7
• 0 to 14
• 0 to 10

What is the most common neutralizer?

• Chlorine
• Hydrogen peroxide
• Oxygen
• Sodium chloride