For normal, color-treated (up to 20 volume) or highlighted (up to 40%) hair. Acclaim acid perms let you create the texture, volume and styles you want. The Acclaim formula, combined with natural development, delivers optimal, roller-faithful curls with consistent, predictable results. Test curl required on color-treated and highlighted hair. No dryer heat required. Exclusive Zotosol conditioners nourish and strengthen hair for healthy-looking shine, a soft feel and greater styling control. Follow instructions carefully.