UHB23 Effects of hair colour

If you applied a temporary colour to porous hair, what would happen?

• Would wash straight our after first shampoo

• Would take a couple of shampoos to remove it

• Would last for 6 - 8 shampoos

Why would you use a quassi colour to midlength and ends of the hair only?

• To avoid skin staining

• Because you want a different result on the midlenghts and ends to root

• To restore lost depth and tones to permanently coloured hair

• To prepare the hair for a permant full head colour

Permanently colouring hair is a process know as , what?

• Oximelanin

• Oxidation

• Hydragen

• Eumelanin

Which colouring products last for 6 -8 shampoos?

• Quassi colour

• Semi permanent (true semi)

• Permanent hair colour

When bleaching hair, it releases oxygen and make the colour pigments colourless, this process is know as , what?

• Oxymelanin

• Oxidation

• Keratin

Draw on the diagram , where temporary hair colour pigments sit on the hair shaft

Draw on the diagram, where semi permanent hair pigment sit in the hair shaft

Draw on the diagram, where permanent hair colour pigments sits in the hair shaft.

Draw on the diagram, where quassi colour pigment sits in the hair shaft.

What health and safety precautions should you take before and during a colouring and lightening service?