Ingredient · dataset v56

Trehalose and fungal acne

No known trigger

Why it's not a known trigger

A simple two-glucose sugar that protects against dryness; carbohydrate, not fat.

Evidence strength

Judged neutral — no trigger evidence

Function

Humectant

Checked products with this ingredient (5)

Product types: Micellar waters, Serums & Treatments, Toners

Micellar waters (2)

Serums & Treatments (1)

Toners (2)

Related humectant

Sources

EU CosIng database — search the INCI name

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

Questions

Does Trehalose trigger fungal acne?

No known trigger: A simple two-glucose sugar that protects against dryness; carbohydrate, not fat.

Does Trehalose feed Malassezia?

No known link: Trehalose 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 Trehalose →

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