Evidence supporting the use of: Tea Tree
For the body system: Nails

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Tea Tree oil (Melaleuca alternifolia) is commonly used to support nail health, primarily due to its well-documented antifungal and antibacterial properties. Fungal infections such as onychomycosis (nail fungus) are a frequent problem affecting nails, and tea tree oil has been investigated as a natural remedy. Several in vitro studies have demonstrated the oil’s effectiveness against a broad range of dermatophytes and yeasts implicated in nail infections. For example, a randomized controlled trial published in the Journal of Family Practice (1994) found tea tree oil as effective as topical clotrimazole in treating toenail onychomycosis, though complete cure rates were low for both treatments.

Tea tree oil’s main active compound, terpinen-4-ol, is thought to disrupt fungal cell membranes, thereby inhibiting growth. Its use is also supported by traditional medicine practices in Australia for various skin and nail conditions. However, while laboratory and some small clinical studies provide a scientific basis for its use, evidence from large-scale, high-quality clinical trials is still limited. Topical application can also cause skin irritation or allergic reactions in some individuals. Overall, tea tree oil is scientifically supported as a complementary approach for maintaining nail health, especially in the context of fungal infections, but it should not be considered a primary or standalone treatment for severe nail disorders.

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Products containing Tea Tree

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