Strengthen & moisturize your hair with NIOXIN 3-part System 1 Scalp Therapy Revitalizing Conditioner for Natural Hair with Light Thinning. This professional hair care product helps retain moisture balance, providing hair resilience thanks to the Bio Amp technology. Lightweight Nioxin density-protecting conditioner is specially indicated for natural hair with light thinning & leaves it fuller looking. Nioxin Scalp Therapy Revitalizing Conditioner is the second step of a 3-part Nioxin treatment, designed to strengthen the hair & amplify hair structure.