[1] Park JY, et al. Neurotoxin impurities: A Review of Threats to Efficacy. Plast Reconstr Surg Glob Open. 2020;8(1):e2627 [2] Kerscher M, et al. J Drugs Dermatol 2019; 18(1):52–57. [3] Merz Data on File, REF-1786. [4] Goldie K. J Cosmet Dermatol. 2023 Mar;22 Suppl 1:1-7. [5] Corduf N. J Cosmet Dermatol. 2023 Mar;22 Suppl 1:8-14. [6] Amiri M, et al. Front Med (Lausanne). 2023 Jun 2;10:1195934. [7] Yutskovskaya Y, et al. J Drugs Dermatol. 2014 Sep;13(9):1047-52. [8] Yutskovskaya Y, et al. J Drugs Dermatol. 2017 Jan 1;16(1):68-74. [9] González N, Goldberg DJ. Dermatol Surg. 2019 Apr;45(4):547-551. [10]Kim J. Clin Cosmet Investig Dermatol. 2019 Oct 15;12:771-784. [11]Courderot-Masuyer C, et al. J Cosmet Dermatol. 2016 Sep;15(3):260-8. [12]Merz Data on File 2024. [13]Merz Data on File 2024. Based on a calculation of the number of Ax vials sold globally. [14]Patients treated exclusively with XEOMIN®. This does not include patients who have received other botulinum toxin formulations in the past. Merz Data on File (PSUR 31.12.2019). [15]Based on consumer quantitative research conducted in 2025 on "Radiesse China Launch Study" by Merz Aesthetics in partnership with Ipsos in China and included 1,500 samples covering 5 cities, 3 age groups