OneSkin OS-01 BODY Topical Supplement — OneSkin's OS-01 peptide is designed to target senescent ('zombie') skin cells to support skin health at the cellular level for a healthier, younger-looking barrier. OneSkin's OS-01 peptide is designed to target senescent ('zombie') skin cells to support skin health at the cellular level for a healthier, younger-looking barrier. How to use: Apply to clean skin as directed.