This is a carousel. Use Next and Previous buttons to navigate

This is a carousel. Use Next and Previous buttons to navigate

Save 15% on limited edition sets. Shop now.

Subscribe & save 15%

Free shipping on orders over $79.00 USD

25% off

OS-01 HAIR | 6 Month Supply Refills

4.7
4.7 out of 5
4.7 (11)
Icon For Expand

A breakthrough for thicker, denser, healthier hair.
01 Introducing the first scalp serum powered by OS-01, proven to target cellular senescence, a key contributor of hair loss and thinning.
02,03,06,07,08

SAVE 0%
  • Exclusive early access to new products
  • Earn 2x points on all recurring orders
  • Easily change, skip or cancel anytime

✭ You’re earning 311 points with OneSkin Loyalty Program ✭

OneSkin

Free shipping on orders over $79.00 USD

OneSkin

Try it risk-free for 30 days!

OneSkin

You’re earning [potential_points] points with the OneSkin Loyalty Program

“By preventing senescent cells from releasing pro-aging factors, we can prevent healthy cells from becoming “zombies”–containing the spread of senescence and slowing down skin aging.” 3Science2

Alessandra Zonari, PhD
OneSkin Co-Founder & CSO 3Science2
OneSkin

OS-01 Peptide 3Science2

Our OS-01 formula targets aging at the cellular level, leaving skin nourished and resilient to daily stress 3Science2

Science Driven Innovation 3Science2

Utilizing advanced research to create effective skincare solutions. 3Science2

Inclusivity and Accessibility

Catering to a diverse range of skin types and needs.

Longevity and Sustainability

Focusing on long-term skin health and eco-friendly practices.

the 30-day one skin challenge

Instantly hydrated,deeply nourished skin 3Science2

93% agree their skin feels protected

87% agree skin looks visibly firmer

80% agree their skin appears to regenerate overnight

OUR APPROACH

Results that go beyond the lab 3Science2

7
Years of Research 3Science2

900
Peptides Screened

0
Patents & Publications

9000
Patents & Publications

OneSkin

Behind One Skin Longevity 3Science2

3Science2 As more senescent cells accumulate, your skin experiences accelerated skin aging, including visible signs like wrinkles, loss of elasticity and firmness, crepiness, and thinning.

  1. Possible Increase of Skin’s Epidermal Thickness
  2. Increase of Key Biomarkers Associated with Cell Proliferation and Collagen Production
  3. May promote cell proliferation and collagen production, which can promote firmer, more renewed skin.
  4. Retinol Increases a Key Marker Associated with Skin Aging. OS-01 FACE Does Not.

How to apply OS-01 FACE and add to your routine 3Science2

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean dapibus ac erat in consequat.

  • Dispense 1-2 pumps of OS-01 FACE onto fingers
  • Gently massage into skin on the face, neck, and hands
  • Use 2 times daily

3Science2

How it works 3Science2

Powered by the OS-01 Senescence Peptide™

The only peptide scientifically proven to reverse skin aging at the cellular level 01,02,03 3Science2

Frequently asked questions 3Science2

OS-01 HAIR | 6 Month Supply Refills

4.7
Rated 4.7 out of 5 stars
Based on 11 reviews
Total 5 star reviews: 10 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 1 Total 1 star reviews: 0
91%would recommend this product
11 reviews
  • R
    Roma
    Reviewing
    OS-01 HAIR | 6 Month Supply Refills
    I recommend this product
    Rated 5 out of 5 stars
    4 minutes ago
    5 Stars

    I absolutely love thos product. My hair is fuller when i use it.

  • KK
    Kamaldeep K.
    Verified Buyer
    Reviewing
    OS-01 HAIR | 6 Month Supply Refills
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Great product

    My hair loss is reducing

  • LG
    lori g.
    Verified Buyer
    Reviewing
    OS-01 HAIR | 6 Month Supply Refills
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    love this stuff!

    I've been using OS-01 Hair for at over 6 months now and my hair is fulle and s growing back in places I was bald.

  • AV
    Alan V.
    Verified Buyer
    Reviewing
    OS-01 HAIR | 6 Month Supply Refills
    I do not recommend this product
    Rated 2 out of 5 stars
    3 months ago
    OS-01 HAIR

    Poor cost/performance ratio.

    OneSkin
    3 months ago

    Hi Alan!

    Thank you so much for taking the time to share your honest feedback about OS-01 HAIR SCALP SERUM — we really appreciate you letting us know about your experience.

    We're sorry to hear that you feel the cost/performance ratio hasn't met your expectations, and we completely understand how disappointing that can be when you're investing in a product for your hair care routine.

    We know that value is incredibly important when choosing hair care products, and everyone's experience with results can be different based on individual factors like hair type, scalp condition, and how long the product has been used. Hair and scalp improvements can take up to 3 months of consistent use to become more visible, but we absolutely understand that the investment needs to feel worthwhile throughout that journey.

    Your feedback about the cost/performance ratio is something we take very seriously, and we're grateful that you shared your perspective with us so openly.

    We'd love to connect with you to learn more about your specific experience and see how we can make this work better for you. Please reach out to support@oneskin.co so we can discuss this further and find a better solution!

  • BA
    Brie A. S.
    Verified Buyer
    Reviewing
    OS-01 HAIR | 6 Month Supply Refills
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Noticeable difference within 2 months

    Within two months, the part in my hair filled entirely back and has stayed that way since. I don’t even have to do it daily anymore to maintain it.

All Ingredients

Water (Aqua), Glycerin, Calycophyllum Spruceanum Bark Oleic Extract (Pau Mulato), Sorbitan Olivate, Cetearyl Olivate, Squalane, Carapa Guianensis Seed (Andiroba) Oil, Vitis Vinifera (Grape) Seed Oil, Pentaclethra Macroloba (Pracaxi) Oil, Rosa Canina (Rose hips) Fruit Oil, Prunus Domestica (Plum) Seed Oil, Caprylhydroxamic Acid, Glyceryl Caprylate, Decapeptide-52*, Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Niacinamide, Allantoin, Bentonite, Tocopheryl Acetate, Tocopherol, Cellulose, Cetyl Palmitate, Sorbitan Palmitate, Xanthan Gum, Potassium Sorbate, Phenoxyethanol, Sorbic Acid, Caprylyl Glycol, Tetrasodium Glutamate Diacetate. *OS-01 Peptide.

Citations

01 Based on data from clinical studies and/or lab studies conducted on human skin samples, 3D skin models, and skin cells in the OneSkin lab. Explore more at oneskin.co/claims
02 Zonari, A., et al. npj Aging, 2023 03https://www.fda.gov/news-events/press-announcements/fda-advances-new-proposed-regulation-make-sure-sunscreens-are-safe-and-effective 04 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5651070/ 05 https://academic.oup.com/bbb/article/72/12/3211/5941013 06 https://pubmed.ncbi.nlm.nih.gov/32522955/ 07 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8068194/ `https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3583886

Grid item

Perfect for lookbooks and editorial photography

Grid item

Perfect for lookbooks and editorial photography

Rich text

Use this text area to share information about your brand with your customers. Describe a product, share announcements, or welcome customers to your store.

  • Use this text area to share information about your brand with your customers. Describe a product, share announcements, or welcome customers to your store.
  • Use this text area to share information about your brand with your customers. Describe a product, share announcements, or welcome customers to your store.

App section