Ingredient · dataset v56

Lactic Acid and fungal acne

No known trigger

Why it's not a known trigger

A three-carbon acid used for pH and mild exfoliation; far too short to serve as yeast lipid.

Also a skin humectant at low levels.

Evidence strength

Judged neutral — no trigger evidence

Function

pH adjuster

Also listed as

Sodium Lactate

Checked products with this ingredient (3)

Product types: Body care, Serums & Treatments

Body care (2)

Serums & Treatments (1)

Related ph adjuster

Sources

EU CosIng database — search the INCI name

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

Questions

Does Lactic Acid trigger fungal acne?

No known trigger: A three-carbon acid used for pH and mild exfoliation; far too short to serve as yeast lipid.

Does Lactic Acid feed Malassezia?

No known link: Lactic Acid 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 Lactic Acid →

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