Ingredient · dataset v56

Palmitic Acid and fungal acne

May trigger · Strong evidence

Why it's a potential trigger

The single best-studied food for Malassezia yeast: defined lab media grow it on palmitic acid alone.

Also a major part of normal sebum, so context matters.

Evidence strength

Strong evidence (3/3)

Function

Fatty acid

Fatty acids (~C11–C24): the yeast takes these up directly as food — the core trigger class.

Also listed as

Hexadecanoic Acid

Checked products with this ingredient (1)

Product types: Antifungal treatments

Antifungal treatments (1)

Products without this ingredient

Browse all Oils →

Related fatty acid

Sources

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

Questions

Does Palmitic Acid trigger fungal acne?

We flag it as a potential trigger (strong evidence). That means it belongs to a class the Malassezia yeast is known to feed on — not that every product with it will cause a flare. Concentration, formulation and individual skin chemistry matter.

Does Palmitic Acid feed Malassezia?

Yes: we flag Palmitic Acid as a potential trigger (strong evidence). It belongs to a class Malassezia is known to feed on — not a claim that every product with it causes a flare. Concentration, formulation and individual skin chemistry matter.

How confident is this call?

Strong evidence: The single best-studied food for this yeast: defined lab media grow it on palmitic acid alone.

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 Palmitic Acid →

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