Colour Correction Summary Session

What is contact dermatitis?

Colour Correction Summary Session

How would you find out the colour service history of your client?

Preparing yourself
for a colour service

How should your client be prepared for a colour service?

What is this?

What causes contact dermatitis?

How can you prevent contact dermatitis?

What is the MOST important reason for restoring the pH of the hair after colouring?

1. To increase manageability, close cuticle scales and prevent further oxydation.
2. To increase elasticity, hold in colour and return hair to pH 5
3. To strengthen the cortex, rebuild di-sulphide linkages & increase moisture
4. To soften the hair, restore the salt bonds and close the cuticles

Why should you do a skin test before a colour?

Why should you carry
out a porosity test for
colour correction?

why is porosity considered when doing colour corrections?

Why should you record the results of all tests?

What is this test? What are we checking?

An elasticity test should help you decide on your choice of products that may need to be used or added to your colour.

eg a 'plex' will help the health of the hair when colouring

Incompatibility Tests

Checks for metallic salts and incompatible chemicals present on the hair.

If metallic salts are present they will react with the hydrogen peroxide.

The hair could change colour, resulting in a greeny/grey hue, damage or break.