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One Skin
One Skin
One Skin
One Skin
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One Skin
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One Skin
One Skin
One Skin
One Skin
One Skin

One Skin

Skin longevity made simple: I like One Skin (code: BIOHACKINGBRITTANY) because it focuses on a single, science-backed peptide (OS-01) that targets cellular senescence—the root cause of visible aging—and wraps it into a minimalist routine for face, body, lips, hair, and SPF that’s fragrance-free, dermatologist tested, and easy to stick with.

Get One Skin using the discount code: BIOHACKINGBRITTANY.

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Medal Why I recommend it

OneSkin’s lineup (OS-01 FACE/EYE/BODY, mineral FACE/BODY/LIP SPF, HAIR scalp serum, PREP Cleanser, and new LIP Mask) is built around clinical and lab data: reductions in skin’s biological age, thicker epidermis, and strong user outcomes on firmness, radiance, and elasticity—plus a 45-day money-back guarantee so you can try it risk-free.

  • OS-01 peptide reduced skin’s biological age by ~2.5 years in lab studies and increased epidermal thickness (up to +28%).
  • 96% of participants showed improved firmness and radiance; 90% improved elasticity in clinical testing on OS-01 FACE.
  • Clean + safe: non-comedogenic; free from fragrance, parabens, sulfates, PFAs, phthalates, lanolin, mineral oil, gluten, and more.
  • Mineral SPF 30+ for face (tinted and untinted) helps protect and address cellular aging and UV-induced pigmentation.
  • OS-01 HAIR scalp serum: 81% showed a +40% improvement in hair density after 6 months.
  • 45-day money-back guarantee across products.

Get One Skin using the discount code: BIOHACKINGBRITTANY.