1. A composition for external use, including: (a) minoxidil, (b) hydroxypropyl cellulose and hypromellose, (c) ethanol and (d) water. The composition for external use according to claim 1, wherein the content of hydroxypropyl cellulose is from 0.05 to 2.5% w / v. 3. A composition for external use according to claim 1 or 2, wherein the content of hydroxypropyl cellulose is 0.1-2% w / v. 4. A composition for external use according to claim 1 or 2, having a viscosity of 30-250 MPa · s at 25 ° C. 5. A composition for external use according to claim 1 or 2, further comprising an acid. 6. A composition for external use according to claim 5, wherein the acid is at least one acid selected from the group consisting of citric acid, hydrochloric acid, lactic acid, phosphoric acid, tartaric acid, and gluconic acid. The composition for external use according to claim 1 or 2, having a pH of 5.0-8.5.8. The composition for external use according to claim 1 or 2, having a pH of 5.5-7.0.9. A composition for external use according to claim 1 or 2, wherein the ethanol content is 25-70% w / v. 10. The composition for external use according to any one of paragraphs. 1 and 2, in which the ethanol content is 50-70% wt / vol. 11. A composition for external use according to claim 1 or 2, wherein the content of minoxidil is 1-10% w / v. 12. A composition for external use according to claim 1 or 2, further comprising a polyalcohol. 13. The external composition of claim 12, wherein the polyalcohol is at least one selected from the group consisting of 1,3-butylene glycol, propylene glycol, glycerol, dipropylene glycol, Macrogol 400 and Macrogol 600.14. Composition for outdoor1. Композиция для средства для наружного применения, включающая:(a) миноксидил,(b) гидроксипропилцеллюлозу и гипромеллозу,(c) этанол и(d) воду.2. Композиция для средства для наружного применения по п. 1, в которой содержание гидроксипропилцеллюлозы составляет от 0,05 до 2,5% масс/об.3. Композиция для средства для наружного п