✨ Unlock Your Hair's Potential! ✨ Eco-friendly packaging for the conscious consumer. Cleanses without stripping essential moisture. Promotes a healthy scalp environment for optimal hair growth. Experience fuller, thicker hair with every wash. Transform your hair care routine with professional-grade results. Natural ingredients Hydrating formula 1L size Nioxin System 1 Cleanser Shampoo is a professional hair treatment designed to cleanse and revitalize thinning hair. With a generous 1000 ml size, this shampoo combines natural ingredients to promote scalp health and deliver salon-quality results, all while being eco-conscious.