Cosmetic peptide

Acetyl Dipeptide-31 Amide

A topical cosmetic micropeptide with early laboratory and small clinical evidence for anti-inflammatory, firming and skin-ageing benefits.

Molecular weight
229 Da

Evidence confidence

Human
2/5
Some human clinical evidence
1 citation
Animal
Not yet assessed
Trust Engine review pending.
Mechanistic
Not yet assessed
Trust Engine review pending — see editorial links below.
Editorial evidence links exist, but this category has not yet completed Trust Engine assessment.
Safety
Not yet assessed
Trust Engine review pending.

Claimed uses

Mechanisms

Safety notes

Reported topical tolerability appears acceptable in early studies, but long-term and independent safety data are limited. Evidence does not support injectable or systemic use.

Regulation
  • Used as a cosmetic ingredient rather than an approved medicine. Product regulation depends on jurisdiction and intended claims.

References

  1. Acetyl Dipeptide-31 Amide: A Novel Cosmetic Anti-Inflammatory Peptide That Demonstrates Anti-Aging, Firming, and Lifting Benefits · 2025
Last reviewed
11 July 2026
Important PeptiBrief is an educational information platform. It does not diagnose, prescribe, sell peptides, recommend dosing, encourage self-experimentation or replace qualified medical care. Published scientific evidence is kept separate from community observations and uncertainty.