"It offers a nearly weightless feel on the skin while delivering medium-to-full coverage and a smooth, soft-focus matte finish that is easy to apply and perfect for all day wear," explains Vincent. Brands have come a long way since the days of Maybelline Dream Matte Mousse or the Rimmel Stay Matte Mousse Foundation, though, from Prada's latest blush to Fenty's new bronzer drop. While Vincent says mousse foundations, blushes, and more are pretty user-friendly, specific application techniques are crucial if you want avoiding it looking patchy. The ultimate mousse makeup application tip to avoid patchiness? "The key is to not overpowder or layer too many products over one another."