Melaleuca Alternifolia Leaf Oil
茶树油
Also known as: Tea Tree Oil
What it does
- Antimicrobial
- Anti-inflammatory
- Acne treatment
Effective concentration
Minimum 2.5% Optimal 5%
5% tea tree oil comparable to 5% benzoyl peroxide for acne (slower onset, less irritation).
Evidence
Moderate evidenceClinical trials show efficacy against mild-moderate acne.
Skin types
Well suited for: Oily Acne Prone
Use with caution: Sensitive Dry
Can be irritating if used undiluted. Always dilute.
Helps with
Acne & Breakouts Fungal Acne
Irritation potential
Medium
Comedogenic rating
0 / 5
Pregnancy
Generally considered safe during pregnancy
Topical use in diluted form considered safe.
Good to know
Natural acne fighter. Never apply undiluted. Can cause contact dermatitis in sensitive individuals.
References
Compound data from PubChem (U.S. National Library of Medicine).
Further reading
- Efficacy and Safety of Melaleuca alternifolia (Tea Tree) Oil for Acne-A Systematic Review and Meta-Analysis — Phytother Res (2026)
- Cosmeceuticals in photoaging: A review — Skin Res Technol (2024)
Selected peer-reviewed reviews on this ingredient, indexed by Europe PMC. Provided as background, not proof of any specific claim.
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Analyze a productEducational information only — not medical advice. Always patch test and consult a dermatologist for skin concerns.