332A Hair Colouring Theory and Application 2

Question 1

What is the law of colour that explains how to neutralize unwanted tones?

Accepted Answer

Complementary colours (opposites on the colour wheel) neutralize each other

Answer

Primary colours mix to form secondary colours

Answer

Warm colours always dominate cool colours

Answer

All colours mix to form black

Question 2

What colour would you use to neutralize unwanted brassy orange tones in lightened hair?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Green

Question 3

What is the difference between semi-permanent and demi-permanent hair colour?

Accepted Answer

Semi-permanent coats the cuticle and fades in 4-6 shampoos; demi-permanent penetrates slightly and lasts 12-26 shampoos

Answer

They are the same thing

Answer

Semi-permanent uses developer; demi-permanent does not

Answer

Semi-permanent lightens hair; demi-permanent does not

Question 4

What is a toner and when is it used?

Accepted Answer

A semi- or demi-permanent product applied after lightening to achieve the desired final shade and neutralize unwanted tones

Answer

A permanent colour used for root touch-ups

Answer

A pre-treatment applied before bleaching

Answer

A deep conditioner used after colour services

Question 5

What is a strand test used for in hair colouring?

Accepted Answer

To evaluate how the hair will respond to the colour formula by testing a small section first

Answer

To test the client's skin for allergies

Answer

To determine the client's natural level

Answer

To check if the developer is expired

Question 6

What does 'deposit only' mean in hair colouring?

Accepted Answer

The colour adds pigment to the hair without lifting or lightening the natural colour

Answer

The colour will lighten the hair first then deposit

Answer

The colour is permanent and cannot be removed

Answer

The colour deposits on top of previously coloured hair only