The U.S. Food and Drug Administration has issued warning letters to five brands because the companies have not completed an application process showing their mousse sunscreens are as safe and effective as other approved forms of sunscreen like creams, sprays and lotions.

The popular brand Supergoop! was issued a warning letter by the FDA on Aug. 6 that stated the company's Supergoop! Play SPF 50 Body Mousse has not received authorization to be marketed in foam, mousse or whip form.

The FDA also issued a warning in an Aug. 11 post on X for consumers to “beware of sunscreen products in mousse form because they might not be effective.”

Supergoop! PLAY Body Mousse SPF 50 is among the sunscreen products that received letters from the FDA stating they are not authorized to market sunscree

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