ZISHU NIOLI OIL IS 100% CERTIFIED NATURAL, UNDILUTED AND COMES IN AN AMBER PROTECTED BOTTLE WITH A DROPPER. PRODUCED BY DISTILLATION METHOD RECOMMENDED AREAS OF USE: HELPING RELIEVE INFECTION - FUNGUS - ITCHING - ODOR PROBLEMS OCCURRED IN THE GENITAL AREA. YOU CAN USE UP TO 1-2 DROPS ON YOUR LAUNDRY. IF YOU HAVE SENSITIVE SKIN, YOU CAN USE IT BY DILUTING. IT HELP TO TREAT NAIL FUNGUS AND INVOLVED NAIL FUNGUS. PLEASE CONSULT YOUR DOCTOR.