Mydentity Dual Booster Ultra Violet 58g

Dual Booster COLOR MAX 58g Dual Booster COLOR MAX for effective color effects. Can be used in two different ways. For direct application or to adjust, enhance, correct, or neutralize #mydentity formulations. Application instructions: Direct application: Apply the required amount of Dual Booster directly to dry, lightened hair. It can be mixed with a permanent or semi-permanent developer (6-40V) for the desired consistency. Leave it on for 20 minutes. To enhance #mydentity permanent or semi-permanent shades, add Dual Booster to the formula; no additional developer is required. Leave it on according to the permanent or semi-permanent formula.