Strengthen and grow healthier hair with Redken Extreme Length Shampoo, formulated with Biotin to fortify hair from root to tip for 5X stronger strands. Designed to support longer, stronger hair, it reduces breakage and promotes healthy growth, helping you achieve your ultimate hair length goals.

Fortifies hair with Biotin for stronger, healthier growth

Helps achieve up to 6 inches of growth in one year*

Reduces breakage by 81% when used with Extreme Length Conditioner**

Promotes strong, healthy-looking hair from root to tip

Helps prevent split ends & reduces their appearance by 78%**

*Based on the average hair growth rate of 3–6 inches per year.

**When used as a system with Extreme Length Conditioner vs. non-conditioning shampoo.