A natural source of bioactives
A recent review paper has highlighted the use of seaweeds, and seaweed derived compounds, for a wide variety of applications. One of the growing markets for seaweeds is the global cosmetic industry. Seaweeds, and seaweed extracts, are becoming increasingly popular in innovative skincare formulations. The reported benefits of bioactive seaweed compounds are extensive, and include free-radical scavenging, enhanced collagen production and the improvement of skin barrier function.
Like many industries, the cosmetics sector has experienced a shift away from synthetics in favour of products derived from natural sources. Driven by consumer demand, the cosmetics industry is increasingly incorporating natural, certified organic ingredients that are supported by rigorous scientific evidence. Fucoidan is one such ingredient offering a range of natural bioactivities suited to healthy ageing applications. The paper reports that fucoidan has been shown to promote the synthesis of heparin-growth factors which improve the growth of cells, thereby helping to increase the elasticity and hydration of skin tissue.
Prolonged exposure of human skin to environmental stressors can increase the production of reactive oxygen species, potentially resulting in skin damage. Sulphated polysaccharides, such as fucoidan, act as a natural defence mechanism for brown seaweeds in the marine environment and have been similarly found to protect and soothe skin cells in clinical studies. The review concludes that seaweed-based ingredients may serve as potent natural substitutes for synthetic compounds in cosmetic formulations.
The paper, 'Seaweed for climate mitigation, wastewater treatment, bioenergy, bioplastic, biochar, food, pharmaceuticals, and cosmetics: a review' was published in Environmental Chemistry Letters.