Myristoyl Tetrapeptide-6 is a synthetic lipidated signal peptide used in cosmetic formulations to support extracellular matrix proteins and reduce the appearance of fine lines and wrinkles. The myristoyl group enhances lipid solubility and skin penetration.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or redness | Rare | Occasionally reported at application site, usually mild and self-limiting. |
| Contact dermatitis / allergic sensitization | Very rare | Isolated reports; peptides are generally low-allergenicity but reactions to the full formulation are possible. |
| Stinging or tingling sensation | Rare | More common on compromised or sensitive skin barrier. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.