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This is to certify that your paper entitled «Development and Evaluation of Gelatin Nanoparticle Peel-Off Gel Mask from Milkfish (Chanos chanos) Bones: Formulation, Stability, Skin Safety, and Anti-Aging Activity» was indexed with 26 pages, in the CIVILICA citation database, code COI:JR_AJCS-9-10_001, after evaluation and approval of the referees of the "Advanced Journal of Chemistry-Section A Vol 9, Issue 10 , Year 2026.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.