Gelidiella Acerosa Extract

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Gelidiella Acerosa Extract


Gelidiella acerosa extract is an extract derived from a species of marine red algae, Gelidiella acerosa. It is used for its moisturizing and antioxidant properties in skincare.

The main constituent that can be extracted from this species of seaweed is agar – a humectant seaweed polysaccharide. Gelidiella also contains other types of polysaccharides, as well as various antioxidant compounds such as flavonoids and organic acids.


Suganthy, N., Nisha, S. A., Pandian, S. K., & Devi, K. P. (2013). Evaluation of Gelidiella acerosa, the red algae inhabiting South Indian coastal area for antioxidant and metal chelating potential. Biomedicine & Preventive Nutrition, 3(4), 399–406.
Prasad K, Siddhanta AK, Ganesan M, Ramavat BK, Jha B, Ghosh PK. Agars of Gelidiella acerosa of west and southeast coasts of India. Bioresour Technol. 2007;98(10):1907-1915.