L'Oreal Technique Oreor Creme 40 Volume Developer | 8-Ounces | Pack of 1

L'Oreal Technique Oreor 40-Volume Creme Developer mixes easily with chosen hair coloring product to provide permanent color change. Has a very strong lightening action without a 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.