To provide a bath agent composition capable of efficiently enhancing warming sensation by using an inorganic salt hydrate, providing good scenting and effectively preventing swelling of a packaging material and discoloration of a bath agent composition .SOLUTION: The following components (A), (B), (C) and (D): (A) 0.1 mass% or more and 50 mass% or less of perfume particles containing 5 mass% or more and 40 mass% or less of a perfume component (a 1) (B) inorganic salt hydrate in an amount of 0.03 mass% or more and 10 mass% or less, (C) an organic acid, (D) Carbonate, And the content of the excipient (E) having a sugar skeleton in the molecule is 10% by mass or less.Selection drawing None【課題】無機塩水和物を用いて温まり感を有効に増強させつつ、良好な香り立ちをもたらすとともに、包材の膨れや浴用剤組成物の変色を有効に防止することのできる浴用剤組成物に関する。【解決手段】次の成分(A)、(B)、(C)、及び(D): (A)香料成分(a1)を5質量%以上40質量%以下含む香料粒子 0.1質量%以上50質量%以下、 (B)無機塩水和物 0.03質量%以上10質量%以下、 (C)有機酸、 (D)炭酸塩を含有し、かつ分子内に糖骨格を有する賦形剤(E)の含有量が10質量%以下である浴用剤組成物。【選択図】なし