Nioxin - The Nioxin System 6 Duo is designed for noticeably thinning, medium to coarse, natural or chemically treated hair, delivering smoothing control to hair while protecting the scalp and restoring moisture balance. Features: Prepares hair and scalp for a complete hair thickening treatment Delivers smoother, denser-looking hair. Developed with Pro-Color Shield tech to cleanse scalp for better hair follicle health Cleanses to provide thicker-looking hair. Helps improve hair resilience and control moistureHair Type: Chemically treated hair with progressed thinningMade in MexicoPlease refer to the ingredient list on your product package for the most up to date list of ingredients to ensure it is suitable for your personal use.