Exhibit 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Andrew L. Guggenhime, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

(1) the Quarterly Report of Dermira, Inc. on Form 10-Q for the fiscal quarter ended September 30, 2017 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Dermira, Inc. for the periods presented therein.

Date: November 6, 2017	By:	/s/ ANDREW L. GUGGENHIME
		Andrew L. Guggenhime
		Chief Operating Officer and Chief Financial Officer
		(Principal Financial Officer and Principal Accounting
		Officer)