Do you have to use Developer every time you Colour?
Yes. Every time.
Is the My Hairdresser Developer safe to use?
We always recommend doing a skin allergy test before Colouring and follow the instructions.
Why are there so many types of Developer?
Each Colour Developer has a different Lightening value or strength, to suit every individual Hair Colour.
Its simple, the first number on the Developer represents the level it will lift your Natural Hair Colour.
No lift deposits Colour, only ideal for going Light to Dark.
20 Volume will lift your Natural Hair Colour up to 2 levels.
30 Volume will lift your Natural Hair Colour up to 3 levels.
40 Volume will lift your Natural Hair Colour up to 4 levels.
Or if you refer to Developer as Peroxide the levels are:
20 Volume Developer – 6% Peroxide
30 Volume Developer – 9% Peroxide
40 Volume Developer – 12% Peroxide
Conditioning Activator – 7.5% Peroxide
Do you have to use the Developer to match the sticker on the Colour box?
No, the Colour Recommendation System is just a guide.