| abstract |
[PROBLEMS] To apply a caffeine-containing aqueous composition to the skin to obtain a pharmacological action such as a lipolytic effect, caffeine needs to penetrate the skin. For this purpose, caffeine dissolves in water. Therefore, a stable aqueous composition having a high pharmacological effect, which contains caffeine at a high content and maintains solubility, is necessary. An aqueous skin composition containing caffeine and vanillin at a high concentration of 3 to 40 wt%. The aqueous composition of the present invention includes a solution and a gel composition. [Selection figure] None |