If you prefer organic products, you'll love OSEA. This family-run brand incorporates USDA certified organic algae into its formulations, and the line is completely vegan. It's available primarily in spas (as well as online)
Star product: OSEA Vitamin Sea Serum, $68. Seven organic seaweeds in an ultra-moisturizing hyaluronic acid base.
Star product: OSEA Vitamin Sea Serum, $68. Seven organic seaweeds in an ultra-moisturizing hyaluronic acid base.