| 摘要 |
PROBLEM TO BE SOLVED: To obtain a skin lotion that normalizes redox regulatory system in an organism, activates the intracellular peroxide deletion system and can effectively prevent skin disturbance and aging caused by oxidation stress due to ultraviolet rays and metabolism in vivo and can improve them. SOLUTION: This skin lotion contains extract from flesh of pearl shells such as Pinctada martensii, Pinctada margaritifera, Pinctada maxima, Hyriopsis schlegeli. As an extracting solvent, may be used a polar organic solvent, in addition to water, as a lower alcohol, for example, methanol, ethanol, propanol, isopropanol, as a polyhydric alcohol, for example, 1,3-butylene glycol, propylene glycol, dipropylene glycol, glycerol and the like, as an ether, for example, ethyl ether or propyl ether, as an ester, for example, ethyl acetate or butyl acetate, acetone or ethyl methyl ketone, or their mixture, physiological salt solution or phosphate buffer solution. The content of the extract is about 0.01-5.0wt.% in the skin preparation. |
