You wash your face at 7 a.m., apply a few drops of vitamin C, and still wonder why your dark spots look exactly the same six weeks later. The problem may not be the serum. It may be storage, layering, sunscreen, or using too much too soon. What Vitamin C Can Actually Fix Vitamin C …
Why does your friend’s $30 vitamin C serum seem to work when your $15 one does nothing? It’s almost never the price. It’s almost always the formula. And until you understand three specific variables, you’re guessing. The Three Numbers That Determine Whether a Vitamin C Serum Actually Works Most people read the label and stop …
