Colour Revision

What the PH of hair and skin?

• 0-7

• 7-14

• 4.5-5.5

• 1.2-5.5

ICC Stands for ---------- Colour Chart

Safety consideration to take in to account when colouring hair?

• PPE

• Record cards

• Health and safety

• what time is it

Why is it important to carry out tests before a service?

• Do not carry out tests

• Avoid damaging the hair

• Avoid clients complaining and potential legal action

• Do as client says

3 layers of the hair

• medulla

• cuticle

• hair strand

• cuticle, cortex, medulla

Temporary colour has what size molecules?

• mixed

• large

• medium

• small

Quasi lasts how long?

• 12-24 washes

• 2 months

• 10 washes

• forever

How does the pH level affect hair conditioning?

• Higher pH strengthens the hair

• Lower pH causes frizz

• Neutral pH optimizes shine

• Acidic pH closes the cuticle

Which type of hair color penetrates the cortex?

• Temporary

• Semi-permanent

• Demi-permanent

• Permanent

What effect does a high alkaline shampoo have on hair?

• It enhances natural curls

• It softens the hair

• It opens the cuticle

• It adds shine