(Similar to stock photo) Redken Extreme Length Biotin Shampoo For Longer Hair – Promotes Healthy Hair Growth, Strengthens Damaged Hair, Prevents Hair Breakage, Infused With Biotin ? 10.1 Fl Oz (Pack of 1) is up for auction in Beauty & Personal Care. The current bid is $13.50, 50% below the $27.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.