OSEA is a California-born sclean skincare brand known for its nutrient-rich, seaweed-infused formulas designed to hydrate and restore healthy, radiant skin. Founded in Malibu in 1996, the family-run company pioneered the clean beauty movement with vegan, cruelty-free products rooted in the restorative power of the ocean. OSEA blends ocean-derived seaweed with plant-based actives to create high-performance skincare trusted by luxury spas and wellness enthusiasts alike. The brand has earned multiple Allure Best of Beauty Award honors, with its cult-favorite Undaria Algae Body Oil becoming one of its most celebrated products.