Brand from Japan: BARTH. BARTH is a neutral bicarbonate bath additive created using unique manufacturing technology.The active ingredient, sodium bicarbonate, contains a lot of bicarbonate ions, which neutralizes the hot water and allows it to dissolve in the bath for a long time.Hot water rich in bicarbonate ions enhances the effect of a warm bath.The active ingredients also address chapped, cracked, and rough skin. Warm bathing supports beautiful skin.Relax your tired body.Soak slowly in hot water rich in bicarbonate ions* to relax and soothe your tired body.Effects due to the active ingredient sodium bicarbonateEffect lasts for a long time.BARTH, which is pH neutral, maintains its concentration for a long time because bicarbonate ions dissolve well in hot water.Suitable for people with sensitive skin and children.It uses non-irritating ingredients, is fragrance-free, has no coloring, and neutralizes chlorine.It is gentle on the skin and can be used by people with sensitive skin and child