Some of the summer’s hottest beauty products just got burned.

“Beware of sunscreen products in mousse form because they might not be effective,” the Food and Drug Administration cautioned in a post on X this week.

The alert follows a wave of warning letters the agency sent to Supergoop! , Vacation Inc. and three other popular brands, accusing them of peddling whipped, mousse and foam sunscreens that flout federal laws. 3

Before you send your beloved sunscreens packing, let’s break down the FDA’s warnings.

The letters — also sent to Kalani Sunwear , K & Care Organics and Fallien Cosmeceuticals (makers of TiZo sunscreen) — claim the frothy formulas are “misbranded.”

That’s because sunscreens are classified as over-the-counter drugs in the US — and that comes with stric

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