The Definitive Guide to Is it OK to use vitamin C serum everyday?
How often should you implement vitamin C serums? Based on Dr. Herrmann, you should implement vitamin C serum possibly day-to-day or each individual other day, dependant upon your routine and The end result you would like.A higher-high-quality vitamin C serum should be a clear, pale yellow shade. If your vitamin C serum is dark yellow or orange, you