The effects of fucoidan-rich polysaccharides extracted from Sargassum horneri on enhancing collagen-related skin barrier function as a potential cosmetic product.

Background: Sargassum horneri came ashore after flowing from the South China Sea to Jeju Island a few years ago. This caused a significant environmental impact on coastal areas where S. horneri has accumulated because of decomposition and the release of toxic substances, such as hydrogen sulfide.