L'Oreal Oxydant 40-Volume 12% Creme Developer mixes easily with chosen hair coloring product to provide permanent color change. Has a very strong lightening action without color deposit. Use 40 Volume for lifting action up to 4 levels or for use with lightening products. The rich, creamy formula gives you easy application and beautiful uniform results every time.

Directions: Mix in Creme 40 Volume Developer in amount recommended in chosen hair coloring product.