Tints of Nature Natural Medium Brown (4N) colours and cares for your hair gently and naturally. Tints of Nature is the only range of hair colours to use high quality, certified organic ingredients. It contains no harsh chemicals, such as resorcinol or nonoxynol. Damage free results without compromise, guaranteed! Tints of Nature uses extra mild pharmaceutical grade peroxide and has the lowest possible percentage of PPDs (pigments), to minimize the possibility of allergic reaction and irritation while gently covering grey hair. The natural, organic ingredients maintain the hair's natural moisture and protein balance, so hair can return to its natural pH balance after colouring. With certified organic aloe vera, comfrey extract and chamomile, this Natural Hair Dye is a cleaner, less harmful alternative when compared to the more highly chemical bases used by many other hair colour products. No animal testing and no animal ingredients.