A sulfate-free color protecting treatment mask Formulated with exclusive IPN Technology & Zinc Gluconate Helps deliver charged amino-ions to prolong the life of hair color Strengthens hair with intense replenishment Unveils softer, smoother & stronger hair with vibrant color Great for color treated hair To use: Apply to shampooed, towel-dried hair. Comb through with wide-tooth comb. Leave on 5 minutes & rinse well. Use once a week