COSMTEK Dark Brown Hair Dye Shampoo Permanent — Ammonia-Free 3-in-1 Color for Gray Hair & Beard (500ml)

Discover COSMTEK Dark Brown Hair Dye Shampoo

A convenient 3-in-1 color depositing shampoo designed for both men and women who want a natural dark brown shade without harsh additives. The formula is gentle, easy to use, and built to fit a modern routine.

What makes it special

The formula is free from preservatives, sulfates, and ammonia, delivering a lightweight wash that deposits color while caring for hair. It blends natural herbal ingredients to support a smooth texture and manageable styling without excessive dryness.

• Preservatives, sulfates, and ammonia are not used; full formula details are provided for informed use.
• Natural oils and turmeric help reduce frizz and support softness with a gentle touch.

Color and coverage in minutes

Suitable for white, gray, or light brown hair, this dye shampoo deposits a rich dark brown tone in about 15 minutes. Apply to wet hair, leave for 15–20 minutes, then rinse for an even, natural look.

• Easy steps: wet hair, apply, wait 15–20 minutes, rinse completely.
• Designed for quick touch-ups between salon visits with a lightweight feel.

Duration and maintenance

One use can maintain vibrant color for 4–5 weeks. To keep shade even over time, reapply roughly every 15 days.

Size and finish: 500 ml bottle with an ammonia-free, herbal formula intended for color-treated hair and beards, offering a simple, at-home routine with predictable results.