What is it: System Kit 1 Shampoo is designed for natural, untreated hair with light thinning.  Why you'll love it: Clinically and dermatologically tested, the shampoo nourishes and gently cleanses your hair to prevent against follicle-clogging sebum, resulting in thicker, fuller hair. 
Featured ingredients: Formulated with a powerful blend of wild mint oil, peppermint oil and salicylic acid.