Ingredient · dataset v56
Quaternium-15 and fungal acne
No known trigger
Why it's not a known trigger
A small polyol humectant/solvent with no fatty chain; water-soluble, not a lipid substrate.
Water-phase humectant, not yeast food.
Evidence strength
Judged neutral — no trigger evidence
Function
Humectant
Related humectant
- 2,3-Butanediol — No known trigger
- Allantoin — No known trigger
- Alpha-Glucan — No known trigger
- Beta-Glucan — No known trigger
- Betaine — No known trigger
- Decylene Glycol — No known trigger
- Diethylhexyl Butamido Triazone — No known trigger
- Diglycerin — No known trigger
Sources
EU CosIng database — search the INCI name
Last reviewed: 2026-10-13 (dataset v56).
Questions
Does Quaternium-15 trigger fungal acne?
No known trigger: A small polyol humectant/solvent with no fatty chain; water-soluble, not a lipid substrate.
Does Quaternium-15 feed Malassezia?
No known link: Quaternium-15 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 Quaternium-15 →
Not medical advice: we screen ingredient lists for potential triggers — we never diagnose, treat, or certify products. Dataset v56.