INDOLA Color Treatment with Vegan Keratin Substitute is an intensive color protection treatment with an ideal pH level of 4.5, which seals pigments in the hair while providing deep care. Prevents fading and ensures color retention. Seals vitality in color-treated hair that is damaged and porous. Deeply cares for hair. Revitalizes the internal structure of the hair. Nourishes hair from roots to tips. Preserves the elasticity and natural movement of the hair. For visibly healthy hair with impressive shine. Leave the treatment on for 5-10 minutes, then rinse thoroughly. Can also be used as a leave-in treatment.