PROBLEM TO BE SOLVED: To safely and effectively increase the proliferation of dermal fibroblasts. A fibroblast proliferating agent comprising yeast extract and safflower extract as active ingredients. [Selection] Figure 1【課題】 安全且かつ効果的に皮膚線維芽細胞の増殖を高める。【解決手段】 酵母エキスとベニバナエキスとを有効成分として含む線維芽細胞増殖剤。【選択図】図1