| Cover Page | Apr. 28, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Apr. 28, 2021 |
| Entity Registrant Name | EVOLUS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38381 |
| Entity Tax Identification Number | 46-1385614 |
| Entity Address, Address Line One | 520 Newport Center Drive, Suite 1200 |
| Entity Address, City or Town | Newport Beach |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92660 |
| City Area Code | 949 |
| Local Phone Number | 284-4555 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.00001 per share |
| Trading Symbol | EOLS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| Entity Central Index Key | 0001570562 |
| Amendment Flag | false |
