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Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form F-3 of our report dated March 20, 2025 relating to the financial statements of Waldencast plc., appearing in the Annual Report on Form 20-F of Waldencast plc. for the year ended December 31, 2024. We also consent to the reference to us under the heading "Experts" in such Registration Statement.

/s/ DELOITTE & TOUCHE LLP

Costa Mesa, California
December 3, 2025