Now to the ftc cracking down on companies for claiming the products helped shed pounds. One of the biggest targets the maker of the product sensa. Jim avila with the story. Reporter: If only it was... See More
Now to the ftc cracking down on companies for claiming the products helped shed pounds. One of the biggest targets the maker of the product sensa. Jim avila with the story. Reporter: If only it was this easy. Simply sprinkle sensa on, eat all the foods you love. And watch the pounds come off. Reporter: The federal trade commission says that claim by sensa which led to more than $350 million in business over a four-year period is deceptive forcing the company into a settlement to stop claiming -- it's that easy. The claims simply aren't supported by the evidence. Reporter: The ftc says sensa quietly paid for consumer endorsements in its commercials and used junk science to back its claims, but now has agreed to stop making false claims and refund $26 million to its customers. Sensa told abc news in a statement "sensa stands behind its product, but is making changes in advertising, investing millions in studies to substantiate their claims and will keep selling their product." The ftc also cracked down on the luxury bath product company l'occitane which advertised its shaping creams can shave inches much the settlement forces the famous soap and lotion company to refund near a $500,000. L'occitane did not respond to a request for comment. It's hard to come across a product that's actually going to help you lose weight just by swallowing a pill, sprinkling a powder on or using a cream. Reporter: The ftc says january is the most popular month for weight loss and consumers should remember post-holidays or any season effective weight loss isn't . For "good morning america," jim avila, abc news, washington.
This transcript has been automatically generated and may not be 100% accurate.