Create a healthier foundation for your hair with Nutrafol Root Purifier Microbiome Shampoo, a physician-formulated, hydrating shampoo designed specifically for thinning hair. Made with prebiotics, vegan proteins and a bio-based cleanser, this clinically tested formula deeply cleanses dirt, excess oil and impurities without stripping the scalp while helping support a balanced scalp microbiome. With consistent use, Root Purifier visibly improves hair volume, strength and texture in as little as 2 weeks while hydrating and nourishing both the scalp and hair. Its gentle, sulfate-free formula is suitable for daily cleansing and tested safe for color-treated hair and extensions. Key Benefits Deeply Cleanses Without Stripping: Removes excess oil and impurities while helping preserve the scalp's natural balance. Supports the Scalp Microbiome: Helps balance the scalp microbiome to create an optimal environment for healthy hair. Balances Oil Production: Clinically tested to remove excess sebum without over-cleansing or drying the scalp. Hydrates & Nourishes: Helps replenish hydration to both the scalp and hair for a healthier look and feel. Improves Hair Quality: Visibly improves hair volume, strength and texture in 2 weeks. Balances Scalp pH: Supports the scalp's natural pH levels for a more balanced scalp environment. Supports Thinning Hair: Specifically formulated to gently cleanse and nourish thinning hair. Gentle Enough for Daily Use: Effectively cleanses without the harsh ingredients commonly associated with over-stripping. Color & Extension Safe: Tested for use on color-treated hair and extensions.