Color Booster MyDentity Guy-Tang Dual Booster

There are two ways to use this product:

Direct Application: Apply the desired amount of Dual Booster directly to dry, bleached hair. It can be mixed with a permanent or semi-permanent developer (6-40 V) to achieve the desired consistency. Leave it on for 20 minutes.

Enhancing Permanent or Semi-Permanent Shades: To boost the shades of #mydentity, add Dual Booster to the mix; no additional developer is needed. Leave it on as per the instructions of the permanent or semi-permanent color formula.