Selamectin (trade names Revolution, Stronghold) is a topical parasiticide and antihelminthic used on dogs and cats, distributed by Zoetis. It treats and prevents infections of heartworms, fleas, ear mites, sarcoptic mange (scabies), and certain types of ticks in dogs, and prevents heartworms, fleas, ear mites, hookworms, and roundworms in cats. 
Selamectin is a semi synthetic avermectin antiparasitic agent primarily used to kill adult fleas and ticks. It also kills ear mites, feline hookworms, feline roundworms and sarcoptic mange. It also prevents heartworm infection.
It works by interfering with the nervous system of insects and some worms, resulting in death.
Selamectin is a topical solution that collects in the oils of the skin and in the hair follicles. It is absorbed into the body and circulates through the blood stream.
The effects of selamectin last about 30 days.

Selamectin is a prescription drug and can only be obtained from a veterinarian or by prescription from a veterinarian.

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
 
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.