Hair Dye Shampoo, Nova Hair Instant Dye Shampoo, Hair Color Shampoo for Hair Description Your Dream Shade in Just One Wash. Your search for an instant hair color boost ends here. Whether you want to cover early grays or refresh your hair with a new shade, NovaHair's innovative dye formula delivers natural-looking, vibrant results in just 10 minutes. Color lasts up to 4–6 weeks. Safer and More Effective Than Traditional Dyes. Many conventional hair dyes contain harsh ingredients like ammonia and peroxide, which may damage hair and irritate the scalp. Our ammonia-free, peroxide-free formula helps maintain the hair’s natural texture and moisture while minimizing the risk of irritation. Key Benefits: - Lasts 4–6 weeks - 100% vegan formula - No stains on skin or surfaces - Visible results in 10 minutes Cover Color Mistakes. This shampoo not only conceals grays and enhances hair color but also helps correct unsatisfactory results from previous coloring treatments. It blends uneven tones, revives dull hair, and supports hair condition. Formulated with Naturally Derived Ingredients. Developed with care for all hair types, our shampoo uses plant-based components known for their nourishing properties. Designed to be gentle on hair and scalp, it is suitable for men and women of all ages, including those with sensitivities. A simple, effective solution for temporary hair color that strengthens and conditions while delivering rich, even coverage.