Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

(1)Registration Statement (Form S-8 No. 333-223068), pertaining to the Evolus, Inc. 2017 Omnibus Incentive Plan of Evolus, Inc.,

(2)Registration Statement (Form S-8 No. 333-229184), pertaining to the Evolus, Inc. 2017 Omnibus Incentive Plan of Evolus, Inc.,

(3)Registration Statement (Form S-8 No. 333-236620), pertaining to the Evolus, Inc. 2017 Omnibus Incentive Plan of Evolus, Inc., and

(4)Registration Statement (Form S-3 No. 333-230466) of Evolus, Inc.;

of our report dated March 25, 2021, with respect to the financial statements of Evolus, Inc. included in this Annual Report (Form 10-K) for the year ended December 31, 2020.

/s/ Ernst & Young LLP

Irvine, California 

March 25, 2021