PROBLEM TO BE SOLVED: To provide a derivative of erythritan which is more excellent in usability while maintaining the excellent effect of erythritan, and a cosmetic containing the derivative. SOLUTION: An erythritan derivative represented by the following general formula (1) and a cosmetic containing the derivative. (In the formula, R 1 and R 2 represent hydrocarbon groups or H having 1 to 4 carbon atoms, which may be the same or different, respectively. However, R 1 and R 2 do not become H at the same time.) [Selection diagram] None【課題】エリスリタンの優れた効果を保持しつつ、より使用感に優れたエリスリタンの誘導体、及び、該誘導体を含有する化粧料の提供。【解決手段】下記一般式（１）で表されるエリスリタン誘導体、及び、該誘導体を含有する化粧料。（式中、Ｒ１、Ｒ２は、それぞれ同一又は異なっていてもよい、炭素数１～４の炭化水素基又はＨを表す。ただし、Ｒ１、Ｒ２は同時にＨにはならない。）【選択図】なし
