Revelation the sea's secret: Seaweed's rise as a potent cosmetic ingredient

Due to their bioactive compounds with beneficial properties, seaweeds have high potential in cosmetics science and they are highly appreciated not only because of variability but due to a multitude sources. In this review, we have elaborated on the multifaceted roles of seaweed-derived ingredients used in skin and hair care formulations focusing both on their biological components as well as extraction processes resulting in therapeutic properties. Here, the effectiveness of seaweed extracts in moisturising, anti-ageing and sun protection applications are discussed as well as sustainability and suggestions for future directions. This review highlights the importance of seaweeds establishment as a natural ingredient, effective properties and expected sustainability on contemporary cosmetic formulations through state-of-art scientific evidence providing promising ways to modernizing processes in the beauty industry.