Authority source
Safety basis
No clear authority source is available in this profile yet.
Melaleuca alternifolia oil
tea tree oilMelaleuca oil
Preservative
Tea tree oil is an essential oil extracted from the leaves of the Melaleuca alternifolia plant. It's often used in skincare products to help prevent the growth of bacteria and fungi.
What it is
Tea tree oil is a volatile oil extracted from the leaves of the Melaleuca alternifolia plant, with antimicrobial properties.
Found in
skincare products, soaps, shampoos, lotions
The concern
Tea tree oil can cause skin irritation and allergic reactions in some individuals, especially when used in high concentrations or without proper dilution.
Legal status
Generally recognized as safe (GRAS) by the FDA, but recommended for dilution and use in moderation due to potential skin irritation.
Context-dependent
Tea tree oil can cause skin irritation and allergic reactions in some individuals, especially when used in high concentrations or without proper dilution.
Evidence & sources
Article / explainer
Article / explainer
No highly relevant article explainer found yet.
Video explainer
Tea Tree Oil Benefits (1 Minute Video) Explained By Dr. Berg
Video
Dr. Eric Berg DC
Watch videoCommunity questions
Community questions
Community discussions are not used as safety evidence and no highly relevant discussion is shown for this ingredient.
Related ingredient guides
Compare this ingredient with related ingredients and common alternatives.
Benzoyl Peroxide
Another preservative in the reviewed ingredient set.
Benzyl Alcohol
Another preservative in the reviewed ingredient set.
Citric Acid
Another preservative in the reviewed ingredient set.
Methylparaben
Another preservative in the reviewed ingredient set.
Parabens
Another preservative in the reviewed ingredient set.
Phenoxyethanol
Another preservative in the reviewed ingredient set.
Last updated: June 15, 2026