This 3.4 fluid ounce bottle of Studex Advanced 2 in 1 Piercing Aftercare and Cleanser is Dermatologist and Pediatrician tested for superior aftercare of ear or external piercings up to three weeks and for continued use as a hygiene cleanser for skin/earrings as needed. This product meets or exceeds Food & Drug Administration (FDA) guidelines. Please visit a store near you for a full selection of piercing aftercare and cleansers.