4N Natural Chestnut is one of Naturtint's best-selling natural, plant-based Permanent Hair Colorants. It delivers intense and radiant color without the use of harsh chemicals like ammonia. Naturtint increases nourishment and protection for your hair with oleic acid derived entirely from olives. Each 5.6 fluid ounce package of Natural Chestnut 4N hair color comes with a leave-in CC Cream with moisturizing baobab seed protein to nourish strands from roots to tips. It also protects against damaging UV rays and helps to strengthen your hair. All Naturtint hair colours are formulated with minimal chemical ingredients and no potentially harmful parabens, gluten, ammonia, SLS, artificial fragrances, or heavy metals. Plus, they are cruelty free and vegan!