Dark Brown Hair Dye Shampoo for Men & Women, Gray Hair Coverage Lasts 30 Days

Introducing the COSMTEK Hair Dye Shampoo, featuring a new formula and upgraded process. Our unique conditioning compound protects hair fibers from the inside out, turning grey hair into a natural black shade 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. One bottle of our product is equivalent to 3 regular bottles of shampoo.

COSMTEK takes pride in being self-developed, with an independent research and development team dedicated to creating innovative hair coloring shampoos for many years. With a strong foundation of professional knowledge and advanced process technology, our products are reliable and effective.

Real experimental data proves the efficacy of COSMTEK products, with 124 users randomly selected to test our hair dye shampoo. The results showed a satisfaction rate of 96%, with 98.4% of users willing to recommend COSMTEK shampoo to others. Our brand is built on real data and trustworthiness.

Check out our other products, such as the MEIDU Dark Brown Hair Shampoo, MEIDU Black Hair Shampoo, and COSMTEK Hair Removal Spray Foam for Men. We also offer Scalp Exfoliator Scrub, Detangling Brush, and Hair Removal Cream for Intimate areas. See details for more information.

With a rating of 4.3 out of 5 stars from 1,866 customers, our color depositing shampoo is priced at $18.39 for a 17.6 Fl oz bottle. The formula is free of preservatives, sulfates, and ammonia, ensuring a safe and effective product. Ingredients like Argan Oil, Olive Oil, and Turmeric help smooth out frizz and keep hair hydrated.

No matter your hair color, our lacquered black hair dye can transform your strands within 15 minutes. Easy to use, simply apply the color shampoo to wet hair, leave it on for 15-20 minutes, and rinse thoroughly for effortlessly beautiful Dark Brown hair. This long-lasting formula can maintain color for 4-5 weeks with one use, and we recommend using it once every 15 days for best results. Choose COSMTEK for vibrant, healthy hair color.

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