Ingredient · dataset v56

2,3-Butanediol and fungal acne

No known trigger

Why it's not a known trigger

A small diol solvent-humectant, sibling to the neutral butylene and propylene glycols; no fatty chain.

Evidence strength

Judged neutral — no trigger evidence

Function

Humectant

Checked products with this ingredient (2)

Product types: Moisturizers, Toners

Moisturizers (1)

Toners (1)

Related humectant

Sources

EU CosIng database — search the INCI name

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

Questions

Does 2,3-Butanediol trigger fungal acne?

No known trigger: A small diol solvent-humectant, sibling to the neutral butylene and propylene glycols; no fatty chain.

Does 2,3-Butanediol feed Malassezia?

No known link: 2,3-Butanediol 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 2,3-Butanediol →

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