LIQUID COMPOSITION FOR IMPROVING SLEEP, SPRAY FOR IMPROVING SLEEP AND SLEEP-IMPROVING MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide: a liquid composition for improving sleep, excellent in the volatilization of piperonal, the substantivity of effective concentration of the piperonal, sleep-improving effect and acceptability, and also having a good low temperature stability; a spray for improving the sleep; and a sleep-improving material.;SOLUTION: The liquid composition for improving the sleep contains (A) 0.015 to 1.5 mass% piperonal, (B) 0.01 to 3 mass% polyoxyethylene-hardened castor oil and a polyoxyethylene sorbitan fatty acid ester, (C) 16 to 40 mass% 2-3C monohydric alcohol and (D) water.;COPYRIGHT: (C)2009,JPO&INPIT