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Substances with high fat content such as Vaseline and glycerin form a layer when applied on the lip and can greatly reduce the contact of the surface with the external environment
doi: 10.3389/fendo.2024.1465881 Received 18 July 2024 Accepted 28 August 2024 Published 20 September 2024 Volume 15 - 2024 Edited by Xiaosheng Tan, Rutgers, United States Reviewed by Xiaodong Zou, The Chinese University of Hong Kong, Shenzhen, China Xue Wan, Mayo Clinic, United States Xun Sun, Indiana University, United States Updates Copyright 2024 Ji, He, Min, Yang, Wu, Xu, Chen and Mei