Tresemmé Biotin Repair + 7 Conditioner 400 ml TRESemmé Repair & Protect 7 Conditioner visibly repairs 7 types of damage. Formula with Biotin and Pro-Bond Complex penetrates hair to restore damaged hair bonds. Whether you blow dry, bleach, brush, straighten, color, braid or curl, Repair & Protect 7 strengthens each strand of hair.