Mix an equal amount of color and developer in a plastic or glass bowl (not metal), the quantity depends on hair length and volume.
Mix with a brush until you obtain a gel consistency and apply the product to dry and unwashed hair, starting from the roots.
Leave for 40 minutes, it is important to stick to the processing time.
Rinse thoroughly and apply the Herbatint Normalising Shampoo.
After shampooing you can complete the treatment by using the Royal Cream, Herbatint regenerating conditioner, which you should leave in for 5 minutes. Rinse thoroughly until the water is completely clear. Tilt your head back while you rinse so that the product does not get into your eyes.
If you carefully close the bottles containing the unused product, taking care not to swap the caps, the product that has not been mixed can be stored for further applications. More information in the leaflet enclosed in the box.