One kind is explored other than having good whitening function by system of the present invention, also has both stability, the compound with interaction of external preparation base etc., and provides a kind of skin preparations for extenal use containing the compound. The skin preparations for extenal use of the present invention contains the represented compound of the following general formula (1).(in formula, R is the alkyl of carbon number 1 ~ 8)本發明係探索一種除了具有良好之美白作用以外，亦兼具穩定性、與外用劑基劑之相互作用等之化合物，並提供一種含有該化合物之皮膚外用劑。本發明之皮膚外用劑含有下述通式(1)所表示之化合物。(式中，R為碳數1~8之烷基)
