Clairol Professional Pure White 20 Standard Lift.Developers are oxidizing agents. The hydrogen peroxide in the developer delivers the required oxygen gas to develop color molecules and to lighten natural melanin.
The standard volume for covering gray and for lifting hair 1-2 Levels. With powder lighteners, 20-volume is used often on hair that is non-porous and in good condition. Only 20-volume is used with 7th Stage Liquid Lightener. Pure White Creme Developer contains protective conditioners and emollients and is stabilized for 3 years. Designed for use with permanent colors: