Tea Tree (Melaleuca alternifolia)

Known for its purifying and cleansing properties, Tea tree oil’s antimicrobial terpenes content makes it popular for combating acne. It will kill acne bacterium that live inside hair follicles and can lead to inflammation and acne. The oil also contains soothing properties that help to calm the burning and itching of a flare-up.

Tea tree oil has the ability to kill parasites and fungal infections, which is why it’s so popular for use in fighting toenail fungus, ringworm and athlete’s foot.

Tea tree oil has been noted in a medical study as being an effective treatment for ringworm, curing the fungus after four weeks of treatment in more than 64 percent of test subjects. The oil’s antifungal properties make it effective for both treating ringworm and preventing it from spreading.