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DefinitionThis section has been translated automatically.
Lithamnion calcareum extract is the extract from a red algae species. The red algae (Rhodophyceae) are a widespread algae species that occurs in all seas. In photosynthesis, they use the red-coloured phycobiliproteins instead of chlorophyll, which explains their red colouring. The extract is used in cosmetic formulations. It protects the skin from harmful effects of external factors.
Prof. Dr. med. Peter Altmeyer