Hairdressing products Nature and Life COLORSAFE Permanent Dye # 4-chestnut. High tolerance permanent coloration formulated without ammonia, parabens, resorcinol and PPD. It is made with vegetable keratin, aloe vera and sunflower oil, ingredients that take care of the hair fiber and the scalp. The result is an intense and brilliant long-lasting color, which protects the color taking maximum care of your hair, while offering maximum coverage of gray hair. People sensitive to PPD may also be sensitive to other ingredients in the formula.