What is the main ingredient in Extreme Length?

All Extreme Length products are infused with biotin as part of its Length Care Complex for longer, stronger hair.

How does Extreme Length help hair grow longer?

Using the full system reduces breakage by up to 81%*, helping you achieve maximum hair length.

Did the formula change in the new Extreme Length?

No, this is the same formula upgraded to new packaging.

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REDKENShampoo, Biotin, For Longer, Stronger Hair, Extreme LengthCradle to Cradle CertifiedCradle to Cradle CertifiedCradle to Cradle Certified

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