Algenist is a skincare company that is based in San Francisco, California. The company was founded in 2010 by scientists from the University of California, San Francisco. The company's products are made with algae, which is a type of plant that is known for its ability to survive in harsh environments. Algenist's products are designed to hydrate and nourish the skin. The company's products are sold online and in stores across the United States.