The compound is formulated from Azadirachta indica, Achillea millefolium and diatom flour.
It acts in four ways to rid animals, garden and buildings of flies, fleas, lice, ticks, mites, spiders, beetles, ants and more. The neem tree contains a chemical, azadirachtin. It is an active insecticide, a repellent and a potent-antifeedant and ecdysis inhibitory compound.
Neem herb has found broad use as a wound healing agent and has reported antimicrobial properties. Yarrow is a repellent to many parasites and diatom flour desiccates many insects.
The combination of these processed herbs is a very effective external parasite dust which also presents disinfectant and healing properties to lesions and other irritations secondary to infestation.
The dust rids mammals of parasites and a teaspoon or two on your window sash or sill eliminates flies, beatles and other bugs in home or office very effectively. It is safe for use in your garden as well.
The manner of application which has yielded success is to sprinkle the dust from head to tail along the spine and brush against the hair to bring the dust into contact with the skin. This should be done under dry conditions. One to two ounces is enough to dust a large herbivore (e.g. a horse). The dust should cover the saddle to midlateral.
Even engorged ticks have disappeared by the next day post dusting. The ingredients singly are nonmutagenic and nontoxic to mammals, fish and birds. It is expected that in compound they also are harmless in the form and concentration in this product.