PURING Creme Hydrogen Peroxide Colour Developer - 10/20 Volume
PURING Creamy fragrant Colour activators 10, 20, 30 volume. Usage: For activating Hair Colour tint,
Use 10 Volume if you are applying permanent, no-lift hair color. If the desired result is keeping color at the same color level by simply adding a tone or a tint, this is exactly what you should mix with. It won't significantly lift your base color and is the least damaging to the hair.
The 20 volume developer opens the hair cuticle but unlike 10 volume, it provides lifting of the hair by one to two levels. 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.
Can also be used as Eyelash Tint Developer too