The Tiger Balm mosquito repellent patch will keep your little ones safe from mosquito bites. It works both outdoors and indoors. It is composed of natural products including lemongrass oil. Its formulation is free of chemical DEET. These repellent patches must be placed on the clothe and not on the skin. It offers total protection for about 6 hours, beyond that, its efficiency gradually decreases. A Tiger Balm product.