| abstract |
[PROBLEMS] To provide an external preparation for skin that can be easily produced, maintains a high concentration of ascorbic acid or arbutin stably for a long period of time, and is excellent in safety. A skin external preparation containing any one of ascorbic acid or arbutin, one or more selected from dipropylene glycol, 1,3-butylene glycol or hexylene glycol, and glycerin, comprising ascorbic acid or The content of arbutin is 10 to 30% by weight, the water content is 5% by weight or less, and at least a mixture of ascorbic acid or arbutin and glycerin is prepared by heating at 60 ° C. to 120 ° C. And a topical skin preparation. [Selection figure] None |