Our Petro-Carbo first aide salve is safe and effective for relieving pain and itching associated for minor cuts, burns, skin irritations, and insect bites. J.R. Watkins Petro-Carbo First Aid Salve 4.38 oz. About the product Contains 1 - 4.37 Ounce Tin Topical analgesic contains spruce, camphor, and cajeput oil Pain relieving first aid salve Relieves minor burns, sunburn, minor cuts, insect bites, scrapes, skin irritations Pain relieving salve with all-natural spruce oil. Medicated first aid salve. Animal testing-free