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. 2021 Sep 1;12:700696. doi: 10.3389/fphar.2021.700696

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Copyright © 2021 Zhu, Chen, Wang, Xue, Wu, Wang, Du, Wu, Zeng, Jiang, Shen, Liu, Zhu and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Bar graph of stratum corneum (SC) thickness and half of long diameter and short diameter of sebaceous glands (SG); original magnification, ×200 (B) Cytokine levels in serum of IL-6, IL-8, TNF-α and IL-1β in the BC, MC and CPT groups. ^**, p < 0.01, compared with the BC group; ^##, p < 0.01, compared with the CPT group.