Redken Extreme Length Conditioner 16.9oz / 500ml with Biotin 4%

Redken Extreme Length Conditioner with 4% biotin is a strengthening, length-boosting formula designed to help reduce breakage and support healthy hair growth. This lightweight conditioner detangles, nourishes, and reinforces fragile strands from root to tip, making it ideal for damaged, brittle, or slow-growing hair. With consistent use, hair becomes stronger, smoother, and visibly longer with fewer split ends. Safe for color-treated hair.