Acetyl Dipeptide-1 Cetyl Ester is a synthetic lipidated dipeptide used in cosmetics for its purported soothing and anti-irritant effects, thought to modulate sensory neuron signaling and reduce discomfort sensations. It is often included in products targeting sensitive or reactive skin.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or stinging | Rare | Occasional localized reaction, typically resolving after discontinuation. |
| Contact dermatitis / allergic sensitization | Very rare | Isolated potential for hypersensitivity in predisposed individuals. |
| Erythema or transient redness | Rare | Mild and temporary in most reported cases. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.