Palmitoyl Tetrapeptide-10 is a synthetic lipidated peptide derived from a fragment of dermatan sulfate, used in topical formulations for its skin-soothing and anti-inflammatory properties, and to support skin barrier and reduce signs of irritation and aging. The palmitoyl group enhances its penetration through the lipid layers of the skin.
| Reported effect | How often | Notes |
|---|---|---|
| Mild local irritation or stinging | Rare | Occasional transient sensation upon application, typically resolving quickly. |
| Contact dermatitis / allergic reaction | Very rare | Isolated sensitivity possible, often related to other formulation components rather than the peptide itself. |
| Redness or erythema | Very rare | Generally well tolerated; reports are minimal in available research. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.