Once applied, cover your hair with a shower cap to keep it warm and moist, which helps the dye to set. Leave the henna on for 1 to 4 hours, depending on your desired intensity. Rinsing and aftercare ...

"It releases unwanted pigment from oxidized hair color and removes pigment up to three levels without removing the natural pigment of hair," he says. The antioxidant vitamin complex in the product ...