PROBLEM TO BE SOLVED: To provide a targeting agent to cells selected from cancer cells and cancer-associated fibroblasts (CAF), to provide a substance-delivering carrier including the targeting agent for the above cells, and to provide an anti-cancer composition, an anti-CAF composition and a method for a treating cancer which use them.SOLUTION: The invention provides: a targeting agent to cells selected from cancer cells and cancer-associated fibroblasts; a substance-delivering carrier for the cells including the targeting agent; an anti-cancer composition and an anti- cancer associated fibroblast composition using the targeting agent or a carrier; and a method for treating cancer. Here, a retinoid contains retinol.【課題】がん細胞及び癌随伴線維芽細胞(CAF)から選択される細胞への標的化剤、該標的化剤を含む上記細胞用の物質送達担体、並びにこれを利用した抗がん組成物、抗CAF組成物及びがんを処置するための方法の提供。【解決手段】レチノイドがレチノールを含む、がん細胞及び癌随伴線維芽細胞から選択される細胞への標的化剤、同標的化剤を含む前記細胞用の物質送達担体、同標的化剤または担体を利用した抗がん組成物および抗癌随伴線維芽細胞組成物、ならびにがん処置法。【選択図】なし