Efficacy of hydrogel patches in preventing facial skin damage caused by mask compression in fighting against coronavirus disease-2019: a short-term, self-controlled trial——Supplemental Material

Supplemental Material 1（Representative photographs）：Some representative photos in our study. The patricipants agreed to be published.
Supplemental Material 2（ Questionnaire）：A Questionnaire on the efficacy of the new hydrogel patches in preventing mask-induced facial skin damage.
Supplemental Material 3（Supplemental Table）： Overall score for each participant.

补充材料1（代表性照片）：本研究中的部分代表性照片。所有参与者均已同意其照片公开发表。
补充材料2（调查问卷）：针对新型水凝胶贴片预防口罩相关性面部皮肤损伤功效的调查问卷。
补充材料3（补充表格）：所有参与者的综合得分情况。