Compositions comprising an effective amount, such an external composition for skin as an active ingredient of anti-ultraviolet UV protection agent comprising reducing water and / or phenoxyethanol, cosmetic comprising an effective amount as an active ingredient the anti-ultraviolet agent, the ultraviolet inhibitor provides a method of inhibiting cell damage caused by ultraviolet rays or ultraviolet rays prevention method is characterized in that the ophthalmic composition and, as well as applied to the target and the composition of the UV protection agent, or the cosmetic.フェノキシエタノールおよび/または還元水からなる紫外線防止剤、前記紫外線防止剤を有効成分としてその有効量含む化粧料、前記紫外線防止剤を紫外線防止の有効成分としてその有効量含む組成物、例えば皮膚外用組成物や眼科用組成物、並びに前記紫外線防止剤、前記化粧料、または前記組成物を対象に適用することを特徴とする紫外線防止方法もしくは紫外線による細胞傷害の阻害方法を提供する。