K-Beauty’s Fermented Skincare Trend: What the Research Actually Says About Your Skin Barrier.
Does fermentation make a meaningful difference for the skin, or is it simply another skincare trend? Let’s take a closer look — simply, carefully, and without assuming that every fermented ingredient works the same way. So, What Is Fermentation, Really? In simple terms, fermentation is a biological process in which microorganisms such as bacteria or…