InVitro International develops test kits for non-animal testing in the United States and internationally. Its products include Irritection Assay System, an invitro test, which could be used to detect, rank, and predict the ocular and/or dermal irritation potential of cosmetics, consumer products, pharmaceuticals, and chemical raw materials; and Corrositex, an invitro test that determines chemical corrosivity. The company also provides customized technology services for Irritection Assay System installation and testing process, as well as independent testing laboratory services for irritancy and corrosivity testing requirements. Its products are principally used by the manufacturers of surfactants, petrochemicals, cosmetics, textiles, paper and pulp, pharmaceuticals, films and resins, solvents and cleaners, and other chemical raw materials. The company was founded in 1985 and is headquartered in Placentia, California.