Nioxin System 2 Scalp Therapy conditioner moisturizes and improves resilience for healthier hair. It promotes a healthy scalp with soothing essential oils. Nioxin scalp therapy contains special antioxidants and enzymatic complexes that work together to strengthen hair. It can also aid in thickening your hair. It contains SPF 15 sunscreen, which can help prevent sun damage. The purifying agents in the special formula will help to clean away follicle-clogging sebum and environmental residues that dry out your scalp. It also contains BioAMP with cystine amino acids that will strengthen your hair against damage and breakage.