oneskin OS-01 Hair Peptide Scalp Serum — 50 mL, reduces shedding & supports denser hair

oneskin OS-01 Hair Peptide Scalp Serum is a daily peptide-powered scalp treatment designed to reduce hair shedding and help support visibly denser hair.

The OS-01 Serum uses the brand's OS-01 Peptide™ formula in a lightweight, fast-absorbing base intended for everyday use on the scalp. Formulated to nourish the scalp environment and target the hair growth cycle, the serum is presented in a 50 mL (1.7 fl oz) bottle with an applicator suitable for precise topical application. Clinical testing reported improved hair density outcomes in study participants, and the product is appropriate for both daytime and nighttime routines.

• Daytime Use: Apply during the day
• Nighttime Use: Apply before bed
• Free Shipping: Get complimentary domestic shipping on orders over $100
• Free Samples: Enjoy complimentary samples with every order

How does OS-01 reduce shedding and support density?

The serum combines the proprietary OS-01 Peptide™ with a scalp-friendly carrier to help create a healthier environment for hair follicles. Rather than a single active, the formula focuses on supporting the hair cycle and reducing factors that contribute to increased shedding.

• Targets the scalp to address the hair growth environment
• Lightweight texture for easy daily application
• Designed to be used both morning and night

How should I apply the serum for best results?

Apply a few targeted drops directly onto clean, dry or slightly damp scalp sections where thinning or shedding is noticeable. Gently massage the serum into the scalp with fingertips to disperse the product and promote absorption; avoid rinsing so the formula can work continuously between washes.

• Use the applicator to place drops along part lines or sparse areas
• Massage for 30–60 seconds to aid absorption
• Day or night application: follow your routine consistently

What changes can I expect and in what timeframe?

Individual results vary, but clinical testing noted measurable improvements in hair density for some users. You may notice reduced visible shedding and a fuller appearance over several weeks with regular use; continued use supports sustained scalp care and density maintenance.

• Early signs: less daily shed hair within weeks for some users
• Visible density: often observed after consistent use over months
• Maintenance: ongoing use helps preserve scalp health

Is the serum suitable for my routine and scalp type?

OS-01 Serum is formulated to integrate with most haircare regimens and is suitable for many scalp types, including oily and normal scalps. Its non-greasy texture allows use beneath styling products and in both day and night routines; patch-test if you have sensitive skin or known ingredient sensitivities.

• Works under styling products without heavy buildup
• Intended for daily application, morning or night
• Patch-test recommended for sensitive scalps

Who is this for: oneskin OS-01 Hair Peptide Scalp Serum is intended for adults seeking to reduce visible hair shedding and improve overall hair density appearance. It suits anyone wanting a lightweight, peptide-based daily scalp treatment that fits into existing styling and care routines, including those who want daytime or nighttime application options. If you have a diagnosed scalp condition, consult a healthcare professional before use.