Formula Upgraded: The hair dye shampoo has been optimized with a formula that contains no preservatives, sulfates, or ammonia. This hair color shampoo is enriched with natural ingredients like Polygonum Multiflorum, Zingiber, Ginseng, and Ganoderma Lucidum, ensuring a gentle yet effective hair coloring experience Smooth Your Hair: To ensure silky smoothness and reduce frizz, we've infused our semi-permanent color shampoo with Argan Oil, Olive Oil, and Turmeric. These nourishing oils make every wash a luxurious treat, leaving your hair feeling soft and manageable after using our hair color shampoo Multi-functional: Versatility at its finest, our black hair dye shampoo caters to a range of hair colors. Whether your hair is white, gray, light brown, or in need of a gray hair coverage, this black hair dye shampoo 4 in 1 transforms it into a rich black, while also working wonders for beard darkening Easy to use: Experience hassle-free hair coloring with our user-friendly shampoo con color. Simply apply the color depositing shampoo to wet hair like a regular shampoo, let it sit for 15-30 minutes, and rinse off with warm water. Follow up with your favorite conditioner or hair mask for added nourishment Longer Lasting: For a long-lasting, vibrant hue, incorporate our hair dye shampoo into your routine every 2-4 weeks. Say goodbye to dullness and hello to the fresh-looking hair of your younger days. Our formula effectively covers grays and maintains a youthful shine, suitable for all hair types, including those seeking natural hair color for gray hair coverage