POWER OF ATTORNEY

	KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints Andrew Guggenhime, Valerie Barnett,
Douglas Cogen, Michael Brown, Katherine Duncan, Jennifer
Hitchcock, Nanette Agustines and Winston Macaraeg, and each of
them, as his or her true and lawful attorney-in-fact to:

      	(1)	execute for and on behalf of the undersigned, in
the undersigned's capacity as a representative of Dermira, Inc.
(the "Company"), any and all Form ID, or Form 3, 4 or 5 reports
and any amendments thereto required to be filed by the
undersigned in accordance with Section 16(a) of the Securities
Exchange Act of 1934 (the "Exchange Act") and the rules
thereunder with respect to transactions in the Company's
securities;
      	(2)	do and perform any and all acts for and on behalf
of the undersigned which may be necessary or desirable to
complete and execute any such Form ID, or Form 3, 4 or 5 report
and any amendments thereto and timely file such report with the
U.S. Securities and Exchange Commission and any stock exchange
or similar authority; and
      	(3)	take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of,
or legally required by, the undersigned, it being understood
that the documents executed by such attorney-in-fact on behalf
of the undersigned, pursuant to this Power of Attorney, shall be
in such form and shall contain such terms and conditions as such
attorney-in-fact may approve in his or her discretion.
      The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform each and every act
and thing whatsoever requisite, necessary, and proper to be done
in the exercise of any of the rights and powers herein granted,
as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his or her substitute or substitutes, shall
lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted.  The
undersigned acknowledges that no such attorney-in-fact, in
serving in such capacity at the request of the undersigned, is
hereby assuming, nor is the Company hereby assuming, any of the
undersigned's responsibilities to comply with Section 16 of the
Exchange Act.
      This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file Form
3, 4 or 5 reports with respect to the undersigned's holdings of
and transactions in securities issued by the Company, unless
earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.
      IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 10th day of June, 2019.

/s/ Jake R. Nunn