Ingredient · dataset v56
Acetyl Tetrapeptide-2 and fungal acne
No known trigger
Why it's not a known trigger
A short acetylated peptide; no lipid, same peptide basis as the ruled acetyl hexapeptide-8.
Blocked 1 calibration sunscreen.
Evidence strength
Judged neutral — no trigger evidence
Function
Active
Related active
- Acetyl Carnosine — No known trigger
- Acetyl Hexapeptide-8 — No known trigger
- Adenosine — No known trigger
- Bakuchiol — No known trigger
- Caffeine — No known trigger
- Ceramide AP — No known trigger
- Ceramide EOP — No known trigger
- Ceramide NP — No known trigger
Sources
EU CosIng database — search the INCI name
Last reviewed: 2026-10-13 (dataset v56).
Questions
Does Acetyl Tetrapeptide-2 trigger fungal acne?
No known trigger: A short acetylated peptide; no lipid, same peptide basis as the ruled acetyl hexapeptide-8.
Does Acetyl Tetrapeptide-2 feed Malassezia?
No known link: Acetyl Tetrapeptide-2 is judged with no known trigger. One screened ingredient is not a product verdict — when in doubt, ask a dermatologist.
Is this medical advice?
No. We screen ingredient lists; we never diagnose, treat, or certify products. When in doubt, ask a dermatologist.
Check a full list containing Acetyl Tetrapeptide-2 →
Not medical advice: we screen ingredient lists for potential triggers — we never diagnose, treat, or certify products. Dataset v56.