What does the developer do in hair color?

Answer by  krisnair84 (211)

The devoloper allows for the colour creme to process, creating a reaction that allows the colour to come through. Without the developer your results will not be good.

Answer by  tanayafarr (290)

The developer in hair color deposits color and lightens color in hair. With stronger developer lightening will occur and with the weaker the developer, color is added into hair.

Answer by  Baobao (1273)

It hastens hair color formation and makes the color last for long time,otherwise your ideal color can not be made and it will be erazed easily,but the proportion of developer should be kept within thirty percent to protect the hair.