![L'OREAL 40 Vol Developer](http://sistahsistah.com/cdn/shop/products/253663_source_1588016244_{width}x.jpg?v=1628364563)
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.