| 摘要 |
PROBLEM TO BE SOLVED: To provide a new skin external preparation for hair growth including a natural material with high safety as an active ingredient, and a method for efficiently producing the skin external preparation for hair growth.SOLUTION: A new skin external preparation for hair growth which is safe and is excellent in a hair growth effect is provided by using an extract of an insect belonging to Hymenoptera with a hydrophilic organic solvent as an active ingredient. Moreover, a liquid skin external preparation for hair growth can be efficiently produced with a simple operation by making the insect belonging to Hymenoptera left standing in ethanol or in an ethanol aqueous solution and subsequently adjusting ethanol concentration as desired. |
