EX-15.4 11 adag-20221231xex15d4.htm EXHIBIT 15.4

Exhibit 15.4

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File No. 333-255250) and Form F-3 (File No. 333-264486) of Adagene Inc. of our report dated April 28, 2023 relating to the financial statements, which appears in this Form 20-F.

/s/PricewaterhouseCoopers Zhong Tian LLP

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Shanghai, the People’s Republic of China

April 28, 2023