Deck 1 - Factors and tests

Question 1

What contra-indications may limit or affect the colour service?

Answer 1

Known allergies, skin disorders, incompatible products on the hair, previous reactions to colour, evident hair damage and medical advice.

Question 2

What factors will influence colour services?

Answer 2

Exisiting hair colour, hair classification, porosity, hair length, density, texture, % of white hair, hair length, temperature and test results.

Question 3

Which test checks the condition of the cuticle?

Answer 3

Porosity test.

Question 4

What does an incompatibility test check for?

Answer 4

Metallic salts and other incompatible products on the hair.

Question 5

Which test checks the strength of the cortex?

Answer 5

Elasticity test.

Question 6

Which test is carried out to check for alleriges to colour?

Answer 6

Skin test.

Question 7

How long is a skin test done prior to colouring?

Answer 7

48 hours.

Question 8

Why is a test cutting/ colour test carried out and how?

Answer 8

To check the suitability of the colour and development time prior to colouring. Cut a piece of hair from where it will not be noticed, or colour a small section. Process the hair to see the colour development.

Question 9

How would you do an incompatibility test?

Answer 9

Take a small cutting of hair and place in a mixture of hydrogen peroxide and ammonium thioglycolate (perm solution). If the mixture bubbles, heats up or discolours, you should not apply a chemical service.

Question 10

What does a development or strand test check?

Answer 10

To check the colour development and even balance, after following manufacturer instructions timing and before colour removal.