PROBLEM TO BE SOLVED: To provide an external preparation for the inhibition of an itch which has a lasting effect for a long time without fear of side effect or toxicity, especially an external preparation for the inhibition of an itch from an insect bite and an external preparation for repelling insects.SOLUTION: The present invention provides an external preparation for inhibition of an itch from an insect bite which comprises fucoidan and an external preparation for repelling insects which comprises fucoidan.SELECTED DRAWING: None【課題】副作用や毒性の心配がなく、効果が長時間持続する痒みの抑制のための外用剤、とりわけ虫刺されによる痒みの抑制のための外用剤および虫除けのための外用剤を提供する。【解決手段】フコイダンを含有する虫刺されによる痒みの抑制のための外用剤ならびにフコイダンを含有する虫除けのための外用剤。【選択図】なし
