United States securities and exchange commission logo February 1, 2021 Peter (Peizhi) Luo Chief Executive Officer Adagene Inc. 4F, Building C14, No. 218 Xinghu Street, Suzhou Industrial Park Suzhou, Jiangsu Province, 25125 People's Republic of China Re: Adagene Inc. Amendment No. 1 to Registration Statement on Form F-1 Filed February 1, 2021 File No. 333-252210 Dear Mr. Luo: We have reviewed your amended registration statement and have the following comment. In our comment, we may ask you to provide us with information so we may better understand your disclosure. Please respond to this letter by amending your registration statement and providing the requested information. If you do not believe our comment applies to your facts and circumstances or do not believe an amendment is appropriate, please tell us why in your response. After reviewing any amendment to your registration statement and the information you provide in response to this comment, we may have additional comments. Amendment No. 1 to Registration Statement on Form F-1 filed February 1, 2021 17. Subsequent Events, page F-39 1. For the November 9, 2020 option modifications, please remove the disclosure stating the modification is exempt under ASU 2017-09, as modifications to vesting terms do not qualify for exemption from modification of awards accounting under ASC 718. Please disclose the amount of compensation expense to be recognized during the fourth quarter of fiscal year 2020 from waiving the remaining vesting schedule and conditions (i.e., the amount of unrecognized compensation expense remaining to be recognized since the date of grant) for the 2,375,000 options. Peter (Peizhi) Luo Adagene Inc. February 1, 2021 Page 2 You may contact Tracey Houser at 202-551-3736 or Terence O'Brien at 202-551-3355 if you have questions regarding comments on the financial statements and related matters. Please contact Jason Drory at 202-551-8342 or Celeste Murphy at 202-551-3257 with any other questions. Sincerely, FirstName LastNamePeter (Peizhi) Luo Division of Corporation Finance Comapany NameAdagene Inc. Office of Life Sciences February 1, 2021 Page 2 cc: Li He, Esq. FirstName LastName