PROBLEM TO BE SOLVED: To provide a promoter for proliferation of a gum cell, such as a gingival fibroblast, using a material which is easily available, has high safety, and can be stably blended in a preparation.SOLUTION: A gum cell proliferation promoter contains (A) component: at least one of tocopheryl acetate and tocopherol nicotinate of 0.005-2 mass%.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】容易に入手でき、安全性が高く、製剤に安定配合が可能な物質を用いた歯肉線維芽細胞等の歯ぐき細胞増殖促進剤を提供すること。【解決手段】（Ａ）成分：トコフェロール酢酸エステル及びニコチン酸トコフェロールの少なくともいずれかを０．００５～２質量％含む、歯ぐき細胞増殖促進剤である。【選択図】なし
