| TEWL | transepidermal water loss |
| PFE | peony flower extract |
| IF | immunofluorescence |
| CE | cornified envelope |
| TJs | tight junctions |
| FASP | filter-aided sample preparation |
| PPI | protein-protein interaction |
| TCM | traditional Chinese medicine |
| Flg | filaggrin |
| Ivl | involucrin |
| Lor | loricrin |
| Cldn1 | claudin-1 |
| Tjp1 | zonula occludens-1 |
| Ocln | occludin |
| DAPI | 4′,6-diamidino-2-phenylindole |
| FA | Formic acid |
| HPLC | high-performance liquid chromatography |
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