Perming- Lesson 1

1.Which bonds are the only bonds that are permanently changed by a chemical process?

• Salt Bonds

• Hydrogen

• Disulphide

• 
  keratin

True or false risks to health can be minimised by following the manufacturer's instructions and wearing correct PPE.

• TRUE

• FALSE

Fish hooks can be avoided by using:

• Weaker perm lotion

• End papers

• 
  Stronger perm lotion

• 
  Even tension

Heat speeds up the process of a perm, whilst a cool environment slows down the process

• true

• false

Elasticity tests the

• 
  internal strength of the hair (Cortex)

• how bouncy the hair is

• the strength of the cuticles

Porosity tests the

• how much water the hair absorbs

• Internal strength of the hair

• 
  External strength of the hair (cuticle)

Development test curl is

• Carried out during the processing perm

• Carried out after the perm

• 
  Carried out before the perm

If heat is given off during an incompatibility test this is

• A positive reaction

• An allergic reaction

• A negative reaction

At which stage does REDUCTION take place?

• Softening

• Moulding

• Fixing

What is added to the hair at the softening stage to break the disulphide bonds?

• Salt

• Hydrogen

• Oxygen

• water