Niacinamide, tseem hu ua vitamin B3, yog cov khoom muaj zog hauv kev tu tawv nqaij thiab kev noj qab haus huv. Qhov dej-soluble vitamin no tsis yog tsuas yog qhov tseem ceeb rau kev noj qab haus huv tag nrho, tab sis nws tseem muab ntau yam txiaj ntsig rau daim tawv nqaij. Txawm hais tias siv tshuaj pleev ib ce hauv kev tu tawv nqaij lossis noj tshuaj, niacinamide tuaj yeem pab kuv ...
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