Permanent Hair Dye Shampoo for Men & Women

The COSMTEK brand has its own independent research and development team, dedicated to hair colouring shampoos for many years. With a professional knowledge base and excellent process technology, the COSMTEK team has developed trustworthy products.

To test the product's performance, 124 users were randomly selected to use the COSMTEK Hair Dye Shampoo. The results showed a satisfaction rate of 96%, and 98.4% of users were willing to recommend the shampoo to others. This real experimental data demonstrates the product's reliability.

In addition to the COSMTEK Hair Dye Shampoo, the MEIDU and DEXE brands also offer black and dark brown hair shampoos. These products, along with a Scalp Exfoliator Scrub and a Detangling Brush, are available for customers to add to their carts.

The customer reviews for these products are generally positive, with ratings ranging from 4.2 to 4.6 out of 5 stars. The prices of the products vary, with the COSMTEK Hair Dye Shampoo priced at $22.99, the DEXE Black Hair Shampoo at $9.00, the MEIDU Dark Brown Hair Shampoo at $22.99, the Scalp Exfoliator Scrub at $25.99, and the Detangling Brush at $16.99.

The COSMTEK Hair Dye Shampoo has been optimized with a formula that is free of preservatives, sulfates, and ammonia, allowing customers to use it with peace of mind. The addition of Argan Oil, Olive Oil, and Turmeric helps to smooth out frizz and make hair smoother.

The shampoo is suitable for a variety of hair colors, including white, gray, and light brown, and can be used to darken both hair and beards. The application process is straightforward, requiring only the application of the shampoo to wet hair, leaving it on for 5-10 minutes, and then rinsing it out completely.

The COSMTEK Hair Dye Shampoo can maintain its shiny black color for 4-5 weeks with a single use. However, for those who wish to maintain the color for a longer period, it is recommended to use the product once every 15 days.

product information: