Celsis International is all about safety. Through the company's Product Group, it makes rapid diagnostic and monitoring systems used to detect and measure microbial contamination in consumer products and food. Its RapidScreen assays are used by makers of personal care goods, cosmetics, OTC drugs, and a variety of beverages. CellScan Innovate is used by dairy producers. The division, which accounts for little more than half of Celsis International's sales, counts among its customers Wyeth, Dow Corning, and Gillette. Celsis Laboratory Group performs quality testing for the cosmetics, drug, and chemicals industries.