The Incredible Shrinking Woman

The Incredible Shrinking Woman is a movie starring Lily Tomlin, Charles Grodin, and Ned Beatty. A housewife grows smaller and smaller in reaction to chemicals found in cosmetics and household products.
After being exposed to a bizarre mixture of household chemicals, Pat Kramer begins to shrink. This baffles scientists, makes parenting difficult, warms the hearts of Americans, and captures the attention of a group of people who want to take over the world. This evil group plots to kidnap Pat and perform experiments on her so that they can eventually shrink everyone.