Dermatologically tested, Nioxin Night Density Rescue Intensive treatment effectively stimulates hair density by limiting hair loss due to oxidation of the surface of the scalp, for denser and thicker hair. This product is inspired by the body’s nightly regeneration process and contains Nioxydine24 technology, a powerful blend of antioxidants known to neutralize free radicals. Produced with a soothing fragrance, ideal for the night.