Clairol Professional Soy4plex Pure White Creme Hair Color Developer, 40 Volume
Clairol Professional pure white creme developer contains protective conditioners and emollients and is stabilized for 3 years. It is designed for use with permanent colors, and also perfect for use with all powder and liquid lighteners. Its creamy consistency makes it ideal for bowl-and-brush or bottle application. 10 volume for gentle lift. 20 volume for normal lift. 30 volume for extra lift.