In modern skincare, 精華液 has become one of the most important steps in daily beauty routines. Known in English as a serum, 精華液 is a highly concentrated skincare product designed to deliver powerful active ingredients deep into the skin. Unlike moisturizers, which mainly protect the skin barrier, 精華液 focuses on targeted skin concerns such as aging, dryness, dullness, and uneven... https://www.derm-mart.com.hk/collections/serums