To provide a transpiratory agent holder that is easily put on or off a hanger and never disengages therefrom by itself.

A transpiratory agent holder 10 is constituted of a right-hand half body 40 and a left-hand half body 50 coupled together. The right-hand half body 40 is made of a storage part 41 for holding therein a transpiratory agent 1 and an upper hook part 43, whereas the other or left-hand half body 50 is made of a storage part 51 and a hook part 53. The half body 40 is formed above its storage part 41 with a slit 44, the upper edge of which is made as a flexible part 46. The upper edge 54 of the storage part 51 of the half body 50 is extended along the lower edge 45 of the slit 44 so that the flexible part 46 is allowed to freely flex. The opening 2 of a hook part 31 obtained is made slightly smaller in diameter than a hanger. The holder is, of course, not limited to have the combination of such right-hand and left-hand half bodies, and is allowed to have another arbitrary structure, for example, an integral structure.