Marine versus Non-Marine Bacterial Exopolysaccharides and Their Skincare Applications

Bacteria are well-known to synthesize high molecular weight polysaccharides excreted in extracellular domain, which constitute their protective microenvironment. Several bacterial exopolysaccharides (EPS) are commercially available for skincare applications in cosmetic products due to their unique structural features, conferring valuable biological and/or textural properties. This review aims to give an overview of bacterial EPS, an important group of macromolecules used in cosmetics as actives and functional ingredients. For this purpose, the main chemical characteristics of EPS are firstly described, followed by the basics of the development of cosmetic ingredients. Then, a focus on EPS production, including upstream and downstream processes, is provided. The diversity of EPS used in the cosmetic industry, and more specifically of marine-derived EPS is highlighted. Marine bacteria isolated from extreme environments are known to produce EPS. However, their production processes are highly challenging due to high or low temperatures; yield must be improved to reach economically viable ingredients. The biological properties of marine-derived EPS are then reviewed, resulting in the highlight of the challenges in this field.


marine bacterial exopolysaccharides, biotechnology, cosmetic industry

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Benhadda Fanny, Zykwinska Agata, Colliec-Jouault Sylvia, Sinquin Corinne, Thollas Bertrand, Courtois Anthony, Fuzzati Nicola, Toribio Alix, Delbarre-Ladrat Christine (2023). Marine versus Non-Marine Bacterial Exopolysaccharides and Their Skincare Applications. Marine Drugs. 21 (11). 582 (31p.).,

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