PROBLEM TO BE SOLVED: To provide a photoaging inhibitor that includes a natural component and is high in safety.SOLUTION: A photoaging inhibitor includes lysophosphatidylglycerol as an active component. This photoaging inhibitor preferably is a skin external preparation or a cosmetic. This photoaging inhibitor especially and preferably has a sunscreen use. This photoaging inhibitor is effective for such relaxation of the epidermis disorder by ultraviolet rays, as the control of the skin erythema and browning by ultraviolet rays, and the control of the epidermis cell death by ultraviolet rays, that is, the control of wrinkles and desquamation.COPYRIGHT: (C)2014,JPO&INPIT【課題】天然成分を含有する安全性の高い光老化抑制剤の提供。【解決手段】リゾホスファチジルグリセロールを有効成分として含有する光老化抑制剤。該光老化抑制剤は、皮膚外用剤、または化粧料であることが好ましい。該光老化抑制剤は、特に、日焼け止め用であることが好ましい。該光老化抑制剤は、紫外線による皮膚の紅斑や褐色化の抑制、紫外線による表皮細胞死の抑制、すなわちシワや落屑の抑制など、紫外線による表皮細胞障害の緩和に有効である。【選択図】なし
