| 摘要 |
PROBLEM TO BE SOLVED: To obtain a composition for oral use free from the generation of carbonic acid gas during preparation, capable of keeping foaming performance even after a long storage at high temperatures and having good taste on use. SOLUTION: This composition for oral use comprises (A) an alkaline aqueous solution containing one or more materials selected from alkali metal hydrogen carbonates, basic amino acids, alkali metal salts of an organic acid and tri alkali metal salts of phosphoric acid, and (B) an aqueous solution containing an acidic substance. The composition foams by mixing the aqueous solution (A) and the aqueous solution (B).
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