Keratin Complex KeraLuminous Developer 20 Vol. is recommended for up to 2 levels of lift, for optimal gray coverage when used with KeraLuminous Permanent Color.

Keratin Complex® Keratin-Enhanced Developers are infused with Hydrolyzed Keratin, Silk Amino Acids and Hydrolyzed Collagen.
Hydrolyzed Keratin: Helps protect the hair and gives it strength as it fills porosity
Silk Amino Acids: Aids in moisture retention and restores moisture balance
Hydrolyzed Collagen: Enhances softness and shine.
This specific blend of ingredients works synergistically with the Keratin Complex Color line. These chemicals make up the remainder of the ingredients to function properly with conditioning agents.