- Instant black coloring shampoo to dye hair in minutes - Provides an intense, long-lasting black color for up to 30 days - Strengthens hair from the root and helps prevent hair loss - Natural formula that cleanses, colors, and conditions in one step - Easy to use at home: apply to damp hair, massage, and leave on for 5-10 minutes - Suitable for all hair types and textures, for both men and women - Ideal for covering gray hair and revitalizing hair appearance - Saves time and effort compared to traditional dyes - Sensitivity test on skin is recommended before use for sensitive individuals