Nioxin Age Defense Hair Conditioner for Aging Hair is a lightweight formula specifically designed for aging, dry or brittle hair. Enriched with hyaluronic acid, it deeply hydrates and strengthens each strand while supporting scalp health and elasticity. This conditioner restores smoothness and strength, helping hair look healthy and vibrant and helps combat thinning, dullness and graying, making it ideal for mature hair in need of targeted care.