| abstract |
Provided is a safe and stable naturally-occurring antioxidant that can be easily blended into cosmetics, skin external preparations, etc. without fear of residual organic solvent. SOLUTION: Cultured under oxidative stress conditions, Stylonematales Rhodosorus sp., Rhodospora sp., Porphyridiales Porphyridium sp. An excellent antioxidant ability is found in an oil-soluble extract from one or two or more algal bodies selected from the above, and a safe and stable cosmetic or skin external preparation is easily provided by blending this be able to. [Selection figure] None |