PROBLEM TO BE SOLVED: To provide a bathing agent preparation set and a bathing agent preparation method capable of providing a user with fun and enjoyment due to a state change at the time of preparation, in addition to the fun and enjoyment of preparing a bathing agent. SOLUTION: In a bath preparation preparation set, a first agent (13) containing a gelling agent for gelling a liquid (12) to obtain a gel material (14) and the gel material (14) are liquefied. And a second agent (15) containing a gel decomposing agent for obtaining a liquid bath agent (16). [Selection diagram] Figure 2【課題】入浴剤を作製する楽しさおよび面白さに加えて作製時の状態変化による楽しさおよび面白さを使用者に供与できる入浴剤作製セットおよび入浴剤作製方法を提供する。【解決手段】入浴剤作製セットは、液体（１２）をゲル化してゲル状物（１４）を得るためのゲル化剤を含む第１剤（１３）と、前記ゲル状物（１４）を液化して液状入浴剤（１６）を得るためのゲル分解剤を含む第２剤（１５）とを備える。【選択図】図２
