Unit 410 Knowledge Check - Pre-Softening - Session 4

Why is white hair more resistant to colour?

• Because the cortex is compacted

• It has no cuticle layer

• The cuticles are tightly compacted

• The cortex has no scales

What is white hair otherwise known as?

• Canapes

• Canities

• Cuticles

• Conker

Why would we need to pre-soften hair?

• To make the cuticles tight

• To lift the cortex

• To lift the cuticles

• To create a darker colour result

What chemical is used to pre-soften resistant hair?

• Hydrogen Chloride

• Hydrofluoric Acid

• Hygroscopic

• Hydrogen Peroxide

The chemical used will swell the cuticle scales?

• True

• False

If the colour did not cover properly - we call this...

• Transparent

• Transfer

• Translucent

• Translation

Hair is pre-softened to allow colour to penetrate which part of the hair?

The hydrogen peroxide that is painted on the white hair should be rinsed out before applying the target shade?

• True

• False

Which areas should colour remover be applied to first? (tick all answers that apply)

• The darkest and most highly coloured

• The lightest

• The ends of the hair

• The most resistant

Which tests should be done prior to; during; and after applying colour correction products.

• Incompatibility

• Porosity

• Skin

• Elasticity