1. GH17 Colour Hair Using a Varity
of Techniques

2. If a client had a Virgin hair what
application method would you use?
A- Apply from roots to mid length and ends?
B-Apply to roots develop and then apply to mid
length and ends?
C- Apply to mid length and ends and then to the
roots?
WHY?

3. What is the main principle of the
Colour Wheel?
If your colour was too red, what colour is used to
tone?

4. Oxidation
What does this mean to you?
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5. Oxidation
• Oxidation is a chemical process that involves
the addition of oxygen
• Tint / bleach and hydrogen peroxide mixed
together and developing
• This allows colouring and lightning to work…..

6. Oxidation
• What is the job of the oxidising agents ?
• During the oxidisation process some of the
natural colour molecules are made colourless
which helps new artificial colour pigment to
be seen in the hair

7. Peroxide
Q-What is the job of peroxide?
A- Aid with darkening, toning and lightening the
hair.
Q- For maximum lift with tint what strength
peroxide would you choose?
A - 40Vol or 12%

8. Melanin
• The cortex contains all the colour pigments in
the hair.
• These are called Melanin
• Melanin is broken down into two types of
colour pigments
• Do you know what these are called??

9. EU-Melanin
Q - What colours make up Eu-melanin?
A - Black & Brown

10. Pheo-melanin
Q-What colours make up Pheo-melanin?
A-Red & Yellow

11. Artificial Light
• What is natural light?
• What is artificial light?
• What is the best light to use when choosing a
colour for a client?
• Why is this important to know when choosing
a colour?