Algenist Splash Hydrating Setting Mist Algenist Splash Hydrating Setting Mist ($35) features alguronic acid (from microalgae) and mineral-enriched sea water. Its special formula creates a protective seal on skin to both lock in moisture and set makeup, too. Image Source: sephora.com Algenist Splash Hydrating Setting Mist $35 from sephora.com Buy Now