Shampoo solution for coloring gray hair combined with natural hair. This coloring shampoo has been designed to cover gray hair while achieving an even tone by harmonizing with the natural color of the hair. Just For Men Anti-Gray Dark Chestnut 100ml is a shampoo prepared for that moment when gray hair begins to appear in the hair. Keeping it at bay and making your hair look younger becomes a priority. DIRECTIONS FOR USE Mix the products and shake. Apply to dry hair and leave on for 5 minutes. Rinse and dry. Contains phenylenediamine, resorcinol, and hydrogen peroxide. Perform the allergy alert test 48 hours before each use of this product. May cause an allergic reaction. If you have skin depigmentation problems (vitiligo) or have a family history of vitiligo, do not use. An allergic reaction or skin irritation may cause loss of skin pigmentation. Do not use this product on eyelashes or eyebrows, it may cause blindness.