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Tea Tree Oil
INCI: Melaleuca Alternifolia Leaf Oil
What is it?
The essential oil of Melaleuca alternifolia, an Australian native tree, widely used in skincare for its antimicrobial properties, particularly against acne-causing bacteria.
What does it do?
According to PubMed, a single-blind randomized controlled trial of 124 acne patients found 5% tea tree oil gel reduced inflamed and non-inflamed lesion counts comparably to 5% benzoyl peroxide, with a slower onset of action but fewer reported side effects -- real, long-standing clinical-trial evidence for tea tree oil as an acne treatment.
How to use
Typically formulated at 5%.
Sources
This page provides general skincare information and is not medical advice, diagnosis or treatment. Ingredient interactions and evidence summaries reflect published, cited sources — not a personal assessment of your skin. For medical skin conditions, rashes, pregnancy/lactation questions or persistent concerns, please consult a licensed dermatologist or HPCSA-registered practitioner.