Protective effects of <i>Paeonia suffruticosa</i> callus extract in skin through anti‐inflammation and repair <scp>UVB</scp>‐induced damage

The PCE could downregulate the gene expression of inflammatory factors, indicating the ability of DNA repair. The number of senescent cells was also decreased after UVB stimulation. Furthermore, the results of in vivo study showed that PCE was an ideal cosmetic ingredient for promoting collagen levels.