Bigen Powder Hair Dye in Dark Brown is a permanent hair coloring powder that provides rich, natural-looking dark brown color. This powder formula is designed for easy mixing and application to achieve long-lasting hair color results. Key features: • Powder formula for easy mixing • Natural-looking dark brown shade • Long-lasting color results • Easy to apply • Covers grey hair effectively Bigen hair dye comes in powder form that needs to be mixed with water before application. For best results, perform a patch test 48 hours before use. The powder should be mixed into a smooth paste consistency and applied evenly to clean, dry hair. Processing time may vary based on desired color intensity and hair type. Always follow the mixing and application instructions provided in the package carefully.