@glowlab516: Not all vitamin C serums are formulated the same—and sometimes the details matter more than the ingredient list. I love digging into the chemistry behind skincare because understanding why ingredients work together can help you become a smarter shopper. 👇 Tag a friend who’s looking for a new vitamin C serum, and if you’re curious about the one I use, it’s linked in the shopping cart below. #VitaminC #SkincareScience #ChemistryTeacher #SkincareOver40 #GlowLab516