You might know that some of the products you use every day contain ingredients that come from the ocean. From calcifying microorganisms to algae, marine ecology plays a role right in our homes. Carrageenen, for example, is a thickening agent that is extracted from red algae. Products that often contain ocean-borne ingredients are sunscreen, makeup, and toothpaste. Close-up views were seen through a Foldscope and photographed with an iPhone! #foldscope