NO we do not recommend using this product on a piercing and here are the many uses for this product.
Tea Tree Oil is a natural antiseptic, germicide, antibacterial, fungicide and parasites. Many people use tea tree oil for: athletes foot, cold and flu, oral thrush, cold sores & canker sores, tooth ache & gum infections, ringworm, candida, head lice or louse, cleanser additive, gum problems, mosquito bites, bug repellent, cockroaches, deter flees, mouth ulcers, herpes, cuts, abrasions, after shave, sunburn, anorectal or vaginal yeast infections, unwanted body odors, acne, and toe nail infections.
Its best use is for riding the hair of lice. It is extremely strong and on average most people experience irritations for their navel piercings and not infections. If you would use this harsh product, it will do more harm than good.
We have researched lavender oil and it is listed elsewhere in this section.