PROBLEM TO BE SOLVED: To provide an effervescent bath agent of a compression-molding type, the agent that generates excellent fragrance immediately after being dissolved in bathing water, or makes a bathing person feel good fragrance immediately after bathing.SOLUTION: The present invention provides an effervescent bath agent of a compression-molding type, the bath agent comprising the following components (a) to (c): (a) a fragrance compound having a carbonyl group and having a boiling point in the range of 200 to 400°C； (b) carbonate； and (c) succinic acid.SELECTED DRAWING: None【課題】浴湯に溶解した直後から香り立ちに優れる、すなわち、入浴者が入浴した直後から良好な香り立ちを感じることができる、発泡性圧縮成形型入浴剤の提供。【解決手段】次の成分（ａ）～（ｃ）を含有する発泡性圧縮成形型入浴剤。 （ａ）カルボニル基を有し、かつ、沸点が２００～４００℃の範囲である香料化合物 （ｂ）炭酸塩、及び （ｃ）コハク酸【選択図】なし
