1A product added to bath water to provide fragrance, color, warming, or moisturizing effects; includes bath salts and bath bombs.
疲れた日は入浴剤を入れてゆっくり湯船につかる。
On tired days I add bath salts and soak slowly in the tub.
この入浴剤は香りが強いので寝る前におすすめだ。
This bath additive has a strong scent, so it's recommended before bed.
子供用の入浴剤は色がついて溶けるタイプが多い。
Children's bath additives often come in colored, dissolvable types.