Boiron Fucus Vesiculosus is a homeopathic dilution that uses a single active ingredient for highly targeted relief of Insect bites or bruising. The pellets melt in your mouth and can be taken on the go, no food or water needed. They come in an easy dispensing tube of approx. 80 pellets (16 doses). Boiron single medicines are ideal for adults and children and do not contain artificial colors, flavors, sweeteners, or preservatives.