Step 3 in the Nioxin Scalp Relief System Kit  A leave-in treatment with a scalp neutral pH  Helps increase the thickness of each hair strand  Formulated with anti-inflammatory Aloe Vera to help relieve an itchy scalp  Rich in vitamins & minerals to promote cell turnover for healthy hair growth  Enhanced with patented Soothex™ to relieve sensitive skin while reducing stinging & irritation  Contains Glycerin to deeply hydrate & protect scalp from dryness & feelings of irritation  Free of parabens, sulfates & colorants  Dermatologically tested 