PROBLEM TO BE SOLVED: To provide an ultraviolet light-shielding agent for safely suppressing disorders by ultraviolet rays and improving color and luster of skin, and dull color tone of the skin which are declined by ultraviolet rays and aging.SOLUTION: The invention provides a composition comprising a fluorescence protein selected from the fluorescence protein (Renilla GFP) group originated from Coelenterate Anthozoa Pennatulacea Renilla, or a fluorescence protein having an amino acid sequence in which one or some amino acid sequences are deleted, substituted or added.COPYRIGHT: (C)2015,JPO&INPIT【課題】安全でかつ紫外線による障害を抑制し、紫外線および加齢により衰えた皮膚の色艶、くすんだ色調を改善するための紫外線防御剤の提供。【解決手段】腔腸動物花虫綱海鰓目ウミシイタケを起源としたケイ光タンパク質(Renilla GFP)群から選抜されるケイ光タンパク質、またはそのアミノ酸配列において、1個もしくは数個のアミノ酸が欠失、置換もしくは付加されているケイ光タンパク質を含むことを特徴とする組成物。【選択図】図1
