Vol. 7, Issue 6, Part B (2025)

Cosmetics industry has registered algae as a crucial element since they deliver multiple advantages through their diverse biochemical elements such as vitamins and minerals alongside antioxidants and fatty acids. The evaluation studies different marine microorganisms which are utilized for cosmetic development such as spirulina with chlorella and red algae with brown algae and blue-green algae. The evaluation focuses on individual characteristics of various algae species while examining their different roles in hydigration and anti-aging and skin revitalization effects. Recent scientific research demonstrates in detail that algal extracts exhibit antioxidant properties and anti-inflammatory capabilities together with their skin-brightening properties. The review discusses how nanoencapsulation as well as sustainable harvesting practices contribute to improve both the effectiveness and environmental friendliness of algal-based products. The use of algae in cosmetic products looks favorable even though regulatory barriers alongside allergies remain as ongoing obstacles. Future studies about algae must continue to develop their full potential as sustainable skincare ingredients. Researchers and industry professionals can use this review as a base for their exploration of algae cosmetic applications and their beneficial properties.