Pdt lub teeb kho yog ib qho kev kho mob uas siv lub teeb sib txawv los ua kom cov cell loj hlob, ua kom cov ntshav ncig, thiab txhawb nqa collagen ntau lawm hauv cov ntaub so ntswg fibroblast. Li no ua kom tawv nqaij elasticity, txhim kho cov teebmeem ntawm daim tawv nqaij, thiab tshem tawm sunburn. Pdt lub teeb kho kuj tseem hu ua phot...
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