As a bonus, this serum comes in an opaque, pump bottle to help reduce oxidation and maintain the formula’s effectiveness. 107 Beauty Soseo Vinbiome Vitamin C Serum 107 Beauty Soseo Vinbiome ...

Well, fear not! Our top choice for a skincare game changer is a Vitamin C serum. With its potent skin-brightening and collagen ...

Jaliman. “Choose serums in opaque, airtight containers to prevent oxidation,” advises Dr. Gohara. Is L-ascorbic acid the best vitamin C serum? L-ascorbic acid is the purest and most potent ...

This helps prevent oxidation, which happens when it is ... It has been the gold-standard vitamin-C serum for years, so much so that lots of formulas (some of which are on this list) have mimicked ...