The Science of Hair Dyeing

Which of these features of colour is true? 

The reason why any one will want to color their hair is ___?

When can we colour our hair?

The following are examples of natural colours except_____?

When dyeing the hair, professionals always try to _____?

Which of the following can we use to colour our hair?

Hair structure is made up of ___ colours.

The colours that makes up the hair structures includes which of these colours

When a person has more blue colour the hair colour will be ____

The combination of The combination of red and yellow will produce ___colour of hair

When hair does not have pigment, the color would be__ _

Each hair strand is made up of ___ 

What are the things to do before dyeing your hair?

Dyeing the hair blond requires the use of ____colour?

If you colour your red do not use ____ to shampoo your hair