Over-washing your hair with harsh shampoos strips the scalp, making it vulnerable to dryness and irritation. Under-washing, dry shampoo, and product build-up can also clog the scalp’s pores and lead to a poor environment for natural hair growth.

Other products don't compare.
See how our shampoo is setting the standard.
| Physician-formulated | Microbiome-friendly and tested ² | Balances scalp pH | Formulated without sulfates | |
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Nutrafol Shampoo
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Other Brands
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Rare | Rare |
Get a deep cleanse with ingredients that won’t strip your scalp.
What people are saying about our Shampoo.
"I loved the twist cap packaging of the Root Purifier Shampoo. This way, you get more control over the product. It lathered nicely and rinsed well without drying my hair out. I loved how gentle it was."
—Marie
"I can definitely see a difference in the way my scalp feels and the way the roots of my hair look."
—Amy
"I have very fine hair and I absolutely love the way these products make my hair look and feel. It leaves my hair feeling soft and super healthy!"
—Allie
Real customers compensated for sharing their stories.
Build the ultimate routine for hair growth and wellness.
Hair Growth Nutraceuticals
A daily supplement that improves hair growth with visibly more thickness and strength.1-4
Scalp Care
Support a healthy scalp with clinically tested products that won’t harm your hair.
Physician-formulated scalp care tailored to your needs.
Shampoo
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Conditioner
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Shampoo and Conditioner Set
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| Best For | Thinning Hair | Thinning Hair | Thinning Hair |
| Benefits | Cleanses without stripping to visibly improve hair volume, strength and texture¹ | Defends hair against damage for stronger, healthier hair¹ | Cleanses without stripping to visibly improve hair volume, strength and texture1 Defends hair against damage for stronger, healthier hair¹ |
We're serious about facts.
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See All FAQs
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Our shampoo will not grow your hair. But, it will balance your scalp microbiome, cultivating the optimal ecosystem for healthy hair. We recommend using our shampoo with your Hair Growth Nutraceuticals to optimize your hair health.
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We recommend washing your hair frequently as dirt, pollution, dust particles, and styling products can clog pores and throw off the balance of your scalp microbiome. Root Purifier is gentle enough to be used daily.
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Harsh chemicals found in common shampoos over-cleanse the scalp whereas our shampoo washes away dirt, excess sebum, and impurities–without stripping the scalp. Our shampoo also regulates oil production while hydrating and nourishing for a more balanced scalp.
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Like with other shampoos, we recommend focusing on the scalp, then running the shampoo through your ends for best results.
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Start with at least a quarter-sized amount and increase how much you use based on the length and texture of your hair.
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Yes, all of our scalp products are all safe and have been tested for color-treated hair.
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We recommend our silicone-free conditioner, which is physician-formulated using natural ingredients that provide multi-layer protection to strengthen your hair and defend against damage.