L'Oreal Oreor 40-Volume 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 Oreor Creme 40 Volume Developer in amount recommended in chosen hair coloring product instructions.
Ingredients: Water, Hydrogen Peroxide, Cetearyl Alcohol, Trideceth-2 Carboxamide Mea, Ceteareth-30, Glycerin, Pentasodium Pentetate, Sodium Stannate, Tetrasodium Pyrophosphate