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Science-Backed
Curated by
20 Experts
Free Delivery
in the US
Best-Price Guaranteed
Science-Backed
Curated by 20 Experts
Free Delivery in the US
Best-Price Guaranteed
Science-Backed

Science-Backed

Clinically proven formulas, 3rd-party verified

Curated by 20 Experts

Curated by 20 Experts

A board of MDs, PharmDs & PhDs hand-selects every product

Free Delivery in the US

Free Delivery in the US

Fast, carbon-neutral shipping in 1–2 business days

Best-Price Guaranteed

Best-Price Guaranteed

Find it cheaper? We refund 2× the difference (*)

Supply size: 30 days.

OS-01 HAIR Peptide Scalp Serum, a cutting-edge solution for those seeking to revitalize their hair health.
Meticulously formulated with advanced peptides to target the root causes of hair aging. By nourishing the scalp and strengthening hair follicles, it promotes the growth of healthier, fuller hair. Regular use of this serum not only enhances the appearance of your hair but also supports its longevity by addressing aging at the molecular level.
Daily serum designed to nourish the scalp and reactivate your hairu2019s natural growth cycle:
- Prevent a root cause of hair thinning: prevents the accumulation of the cells that contribute to a disrupted hair growth cycle due to age, stress, and genetics.
- Scalp health: safe for sensitive skin and promotes a healthy scalp microbiome, which can help foster healthy follicle function and hair density.
- Thicker, denser, fuller hair: key ingredients complement the OS-01 peptide to promote strong, healthy hair.

6 active ingredients complement the OS-01 peptide:
- Panax Ginseng Root extract: stimulates blood flow and improves circulation to the scalp, providing hair follicles with better access to nutrients.
- Oryza Sativa (rice) bran water: a nutrient and antioxidant rich extract used to strengthen and smooth hair, and enhance shine and manageability. It may also provide mild exfoliation to the scalp, helping promote a healthy environment for hair growth.
- Biotin: well-known for its ability to support keratin production, strengthen the hair shaft, and reduce breakage, promoting fuller, thicker hair.
- Fisetin: a naturally occurring flavonoid with strong antioxidant and anti-inflammatory properties, which can help protect hair follicles from oxidative stress and inflammationu2014two factors that contribute to hair thinning and loss.
- Sunflower Sprout extract: rich in antioxidants and nutrients such as vitamins A, D, and E to help protect the hair and scalp from UV-induced oxidative stress, and maintain hair density, vitality, and overall health.
- Inulin and Alpha-Glucan Oligosaccharide: prebiotic ingredients that support scalp health, essential for strong, resilient hair growth. Also improves scalp hydration, enhancing moisture retention and reducing dryness and irritation.

Follow these easy steps for optimal results:
- Apply 1 mL of serum (approximately 2 full droppers) directly to your scalp and massage in with fingertips
- Leave on, do not rinse
- Use up to 2 times daily
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