Just because the president of a company appears in a company advertisement does not mean one should trust it. Think about the Sharper Image ads. for Ionic Air Purifiers. Now from UC Irvine comes a story that scientists verify that ionic and other air purifiers add to pollutants already in a room at levels that can exceed health standards These results mean that people operating air purifiers indoors are more prone to being exposed to ozone levels in excess of public health standards,â€? said Sergey A. Nizkorodov, assistant professor of chemistry in the School of Physical Sciences at UCI.