Our coffee-colored plant-based hair care product is carefully formulated with C12-18 alkyl glucosides and glycerin. Designed specifically to maintain bright colors and keep hair soft without curling. The usage method is extremely convenient: [Hair Dyeing Test] Please conduct a skin sensitivity test before use. If symptoms such as redness, swelling, itching or a burning sensation occur, stop using it immediately and wash off any remaining product. 【 Instructions 】1. Make sure your hair is dry before use. 2. When operating, wear protective gear properly and apply face cream to areas that may come into contact with the skin, such as the face, neck, behind the ears, and arms. 3. Apply the hair dye evenly to your hair, making sure it covers every strand. Wait for 30 minutes to allow the dye to fully penetrate your hair. 4. Rinse your hair thoroughly with warm water until the water is clear. And it can precisely and evenly hide white hair.