This oil is said to be useful for treating painful periods, delayed menses and spasmodic dysmenorrhoea. Its antiseptic properties make it useful for treating acne and psoriasis. It has been used for genital herpes, hemorrhoids and varicose veins. The oil is also reputed to have insect repellent qualities and is the best essential oil to apply undiluted to fire ant bites, preferably immediately after being bitten.

Cajeput is considered non-toxic but may irritate the skin in high concentrations.