Instant Dark Brown Hair Dye Shampoo for Men & Women, 3-In-1 Color Treated Hair, Lasts 30 Days

Introducing the COSMTEK Hair Dye Shampoo, a product with a new formula and upgraded process that contains active ingredients. Our unique conditioning compound helps protect the hair fibers from the inside out, transforming grey hair into natural black in just 5-10 minutes. This 3-in-1 hair color shampoo not only dyes hair, but also cleanses the scalp and nourishes the hair while coloring it, providing the equivalent of three bottles in just one.

COSMTEK is proud to have its own independent research and development team dedicated to hair coloring shampoos for many years, with a professional knowledge base and excellent process technology. The products are trustworthy and effective, proven by real experimental data. After the COSMTEK team developed the product, 124 users tested it and showed a 96% satisfaction rate, with 98.4% of users willing to recommend COSMTEK shampoo to others.

In addition to the Hair Dye Shampoo, we also offer the MEIDU Dark Brown Hair Shampoo, MEIDU Black Hair Shampoo, Hair Removal Spray Foam for Men, Scalp Exfoliator Scrub, Detangling Brush, and Hair Removal Cream for Intimate use. Our products have received positive customer reviews, with 4.4 out of 5 stars for the Hair Dye Shampoo and high ratings for our other offerings as well.

Our Hair Dye Shampoo has been upgraded with a formula that is free of preservatives, sulfates, and ammonia, ensuring peace of mind for our customers. We've also added Argan Oil, Olive Oil, and Turmeric to the semi-permanent hair color, effectively smoothing hair and eliminating frizz. Regardless of your hair color, our lacquered black hair dye can transform it into a sleek, dark brown shade in just 15 minutes.

Furthermore, our shampoo is easy to use and can provide long-lasting results, maintaining its effects for 4-5 weeks with one use. For those wishing to retain the shiny dark brown color for a longer period, we recommend using our product once every 15 days. COSMTEK Hair Dye Shampoo offers an effortless, effective solution for transforming your hair into a vibrant, natural shade of dark brown.

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