Consultation 72% Flashcards
Why do we carry out a porosity test
The detriment how porous the hair is
How do we carry out a porosity test
Using the first finger and thumb, slowly run down the length of a few hairs from the root and also do it dry hair
When do we carry out porosity test
Before the service on dry hair
What could happen if we don’t carry out a porosity test
Can cause damage to the hair and could snap off
Why do we do an elasticity test
To see if the hair can stretch and spring back to it’s natural length. This tells you how much moisture it can hold
How do we do an elasticity test
Take a few wet hairs and gently stretch them and let them return
When do we do an elasticity test
On wet hair Before the service and sometimes after if someone has ahead a chemical service
What could happen if we don’t we do an elasticity test
It could damage the hair and snap off
Why do we test for the incompatibility test
To test for any metallic compounds
How do we test for the incompatibility test
Place a small amount of hair in a bowl of hydrogen peroxide (6%) and perm lotion (20:1)
When do we test for the incompatibility test
Before the service
What could happen if we don’t carry out an incompatibility test
The hair could turn a funny colour such as green or purple. The condition of the hair will be damaged
Why do we do a skin test
To test for allergic reactions to para compounds
How do we do a skin test
A small amount of colour mixed with hydrogen peroxide is placed behind the ear of inside the arm
When do we do a skin test
48h Before the appointment
What could happen if you don’t do a skin test
The client could have an allergic reaction
Why do we do a strand test
To check the development of the colour or bleach
How do you do a strand test
During the development time use a cotton wool remove colour from a few strands of hair to see if the colour has developed enough
When do your do a strand test
during the development of hair colour
What could happen if we don’t do a strand test
The colour may be removed Before developed properly and results may be patchy
What is the Anagen stage
Anagen is the active growing phase, a period of activity of the papilla and the germinal matrix. It is early on during this phase that the hair colour, thickness and shape are formed. Lasts on average
4-7 years, depending on age and individual, but can be as short as 1 year.
What is the catagen stage
the follicle is preparing to rest. The hair bulb gradually separates from the papilla and slowly moves further up the follicle. This stage lasts about two weeks.