Ingredient · dataset v56
Betaine and fungal acne
No known trigger
Why it's not a known trigger
A tiny beet-derived humectant; a water-soluble osmolyte, not a lipid.
Not to be confused with cocamidopropyl betaine, the surfactant.
Evidence strength
Judged neutral — no trigger evidence
Function
Humectant
Also listed as
Trimethylglycine
Checked products with this ingredient (8)
Product types: Moisturizers, Serums & Treatments, Sunscreens, Toners
Moisturizers (2)
Serums & Treatments (1)
Sunscreens (1)
Toners (4)
- COSRX Centella Water Alcohol-Free Toner
- Round Lab 1025 Dokdo Toner 200 ml
- Torriden Dive In Toner 300 ml
- Skin1004 Centella Toning Toner 210 ml
Related humectant
- 2,3-Butanediol — No known trigger
- Allantoin — No known trigger
- Alpha-Glucan — No known trigger
- Beta-Glucan — No known trigger
- Decylene Glycol — No known trigger
- Diethylhexyl Butamido Triazone — No known trigger
- Diglycerin — No known trigger
- Ethyl Hexanediol — No known trigger
Sources
EU CosIng database — search the INCI name
Last reviewed: 2026-10-13 (dataset v56).
Questions
Does Betaine trigger fungal acne?
No known trigger: A tiny beet-derived humectant; a water-soluble osmolyte, not a lipid.
Does Betaine feed Malassezia?
No known link: Betaine 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 Betaine →
Not medical advice: we screen ingredient lists for potential triggers — we never diagnose, treat, or certify products. Dataset v56.