Cos Juniors FE 30

Chemical solutions ____ the pH of the hair to an alkaline state.

• lower

• raise

• neatralize

• do not affect

When should you preform an elasticity test?

• before perming the hair

• while perming the hair

• after perming the hair

• never

Porous hair _____.

• is difficult to penetrate

• should never be permed

• could me damaged by highly alkaline permanent waving solution

• could be damaged by highly acidic permanent waving solution

GMTG, the primary reducing agent in most acid waves, has:

• no pH

• a neutral pH

• a high pH

• a low pH

True acid waves have a pH between:

• 2.0-3.0

• 4.5-7.0

• 5.5-8.0

• 6.0-9.0

Ammonia-free waves:

• have a very strong odor

• are very acidic

• contain some ammonia

• have very little odor

In permanent waving, most of the processing takes place within the first:

• 5 to 10 minutes

• 10 to 20 minues

• 20 to 30 minutes

• 45 to 60 minues

One safety precaution of permanent waving is to:

• perm hair that has been treated with hydroxide relaxers

• perm excessively damaged hair

• examine the scalp before the perm service

• perform a test for metallic salts only if the client requests it

With extremely curly hair, the twists are the ___ sections of the hair strands.

• thickest and strongest

• thinnest and weakest

• thickest and weakest

• thinnest and strongest

Relaxers are ____ and can literally melt or dissolve hair if used incorrectly.

• extremely alkaline

• extremely acidic

• mildly alkaline

• mildly acidic