A developer formulated especially for use with Color Soft demi-permanent color tones. Intensifies the lifting of power of these demi-permanent, ammonia free colors. Optimizes gray cover. Avoids over-saturation of mid-tone spectrum colors. Easy to mix and apply. Thanks to its specially designed formula it liberates oxygen rapidly and effectively which allows improved color lift of the hair's natural base color of up to one and a half tones.