The Nioxin System 2 Kit shampoo is designed to combat advanced natural hair loss. It is the first step in the Nioxin 3-step care kit routine. This purifying shampoo gently nourishes and cleanses the hair, preventing sebum from clogging the follicles. Clinically and dermatologically tested. This shampoo prepares the scalp and hair to receive the other treatments in the Nioxin 3-step routine, thus maximizing their effect: thicker, denser, and healthier hair. Formulated with a una powerful combination of wild mint oil, peppermint oil, and salicylic acid. Discover Nioxin, the world's number 1 professional brand for thicker, denser, and healthier hair. Pioneer of the una revolutionary philosophy: "It all starts with a healthy scalp!" With over 35 years of clinical research, Nioxin transforms its scalp expertise into real innovations with proven results. Because everyone deserves healthy hair, Nioxin is committed to achieving visible results! 30 days to change? Nioxin supports you with unique kits and expert care solutions for thicker, denser, and healthier hair in 30 DAYS. Clinically tested. Based on a survey conducted by SIRS in the United States in 2016 among 230 users concerned about hair loss (each of whom tested 1 Nioxin routine).