Description
The formula includes Strengthening Quinoa Protein, Soothing Aloe Vera and Moisturising Olive Oil, and comes in shades that match with REF Permanent Colour Boosters. Mix Soft Colour Booster with equal parts of REF Developer. 6 VOL/1.9% result in a semi effect with gradual release for a softer line of demarcation. 10 VOL/3% result in a demi/light permanent effect with slower release and slight line of demarcation.
