United States securities and exchange commission logo April 29, 2020 Kevin Sun Chief Financial Officer, Treasurer and Secretary DermTech, Inc. 11099 N. Torrey Pines Road, Suite 100 La Jolla, CA 92037 Re: DermTech, Inc. Preliminary Proxy Statement on Schedule 14A Filed April 16, 2020 File No. 333-38118 Dear Mr. Sun: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Life Sciences