PROBLEM TO BE SOLVED: To provide a producing method of a functional fiber material having an effect on removal of sebum on hair root of head skin, dirt in keratin, sebum accumulated in wrinkle on skin, pore etc. removal of old keratin etc., and overcoming black stain.SOLUTION: There is provided a producing method of a functional fiber material characterized in that fine abrasive, micro fluorine powder and essential oil are uniformly distributed in resin, and the resultant is mixed with ultrafine fiber to be solidified.COPYRIGHT: (C)2014,JPO&INPIT【課題】 頭皮の毛根の皮脂、角質の汚れや皮膚のしわや毛穴等に溜った皮脂や古い角質等の除去、黒ずみの解消に効果のある機能繊維素材の製造方法を提供する。【解決手段】 微細研磨材、マイクロ弗素の粉体、エッセンスオイルを樹脂に均等に分散させたものを超極細繊維に混練含浸させた後、固化させることを特徴とする機能繊維素材の製造方法。