1. The composition of the means for the bath, containing the following components (A) - (C) :( A) a carbonate containing 30 wt.% Or more alkali metal bicarbonate (A1)； (B) an organic acid； and (C) CGRP response activator. 2. A bath composition according to claim 1, further comprising a water-insoluble excipient (D). 3. The composition of the bath product according to claim 1 or 2, wherein the amount of component (A) is from 20 to 70 mass%. 4. A bath composition according to claim 1 or 2, further comprising a carbonate in the form of a carbonate (A2) other than component (A1) in component (A), where component (A2) contains alkali metal carbonate. The composition of the bath product according to claim 4, wherein the amount of alkali metal carbonate in component (A) is 60% by mass or less. The composition of the bath agent according to claim 4, wherein the alkali metal monocarbonate is sodium bicarbonate or potassium bicarbonate. The composition of the bath product according to claim 1 or 2, wherein component (B) is one or more species selected from the group consisting of malic acid, tartaric acid, citric acid, maleic acid, succinic acid, phthalic acid, fumaric acid, glutaric acid, adipic acid, benzoic acid, salicylic acid and oxalic acid. 8. The composition of the bath product according to claim 1 or 2, wherein the amount of component (B) is from 20 to 70 wt.%. 9. The composition of the bath product according to claim 1 or 2, wherein the amount of component (C) is from 2.0 × 10 to 0.6 wt.% In relation to dry weight. The composition of the bath product according to claim 1 or 2, wherein component (C) is one or more species selected from the group consisting of ginseng, tuyeviku drooping, cucumber, birch and their extracts. 11. The composition of the bath product according to claim 2, wherein component (D) is one or more species selected and1. Композиция средства для ванны, содержащая следующие компоненты (A)-(C):(А) карбонат, содержащий 30 масс.% или более бикарбоната
