What Happens If You Use Hair Dye Without Developer. However it is recommended that you use a 10 developer or a 20 developer as a 30 developer and a 40 developer can. Now you know why if you want to dye your hair permanently you will need to use peroxide.
Now you know why if you want to dye your hair permanently you will need to use peroxide. It is possible to color your hair then dip dye it afterwards in the same day. Pigments of the dye will not reach the hair scalp.
The simpler answer you ll hear from most people is that hair developer doesn t lighten your hair by itself as it s just a vehicle for hair dyes and bleach into the hair.
And while that s technically true the simple act of opening your hair s cuticles can have a slight lightening effect even by itself especially if you apply. These dyes will be quickly washed out from your hair and you will not even get the desired results. 40 vol for 3 levels lift and more. For instance if you have more than 50 gray hair 20 volume developer is the only developer to use for 100 gray coverage and a long lasting color.