Ingredient · dataset v56

Pentapeptide-3 and fungal acne

No known trigger

Why it's not a known trigger

A short non-acylated signaling peptide; same basis as the ruled tripeptide-1 (the palmitoyl rule does not apply).

Blocked 1 calibration sunscreen.

Evidence strength

Judged neutral — no trigger evidence

Function

Active

Related active

Sources

EU CosIng database — search the INCI name

Last reviewed: 2026-10-13 (dataset v56).

Questions

Does Pentapeptide-3 trigger fungal acne?

No known trigger: A short non-acylated signaling peptide; same basis as the ruled tripeptide-1 (the palmitoyl rule does not apply).

Does Pentapeptide-3 feed Malassezia?

No known link: Pentapeptide-3 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 Pentapeptide-3 →

Not medical advice: we screen ingredient lists for potential triggers — we never diagnose, treat, or certify products. Dataset v56.