Marine algal polysaccharides (MAP) are increasingly recognized as versatile bioactive ingredients in cosmetics due to their wide-ranging therapeutic benefits and eco-friendly sourcing. Sourced from red, brown, and green algae, these polysaccharides deliver numerous advantages for skin health, including antioxidant, anti-inflammatory, anti-aging, hydrating, and regenerative properties. As demand for natural and sustainable products grows, MAP offer a renewable and environmentally responsible alternative to synthetic chemicals. This review examines the chemical structures, extraction methods, biological activities, and cosmetic applications of key MAP, such as carrageenans, alginates, fucoidans, laminaran, ulvan, and sulfated rhamnan. It also discusses emerging research trends, innovative extraction techniques, and the formulation of multifunctional products that combine these polysaccharides with other bioactive compounds. As consumer preferences increasingly lean toward ethical and sustainable choices, MAP are well-positioned to contribute to the development of high-performance cosmetic products that meet both industry standards and consumer expectations.
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| http://dx.doi.org/10.1016/j.carbpol.2025.123276 | DOI Listing |
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