Vitamin C has been a well-known, well-studied and proven practical component for a long time. Following acids and retinol, it is included in the gold standard in dermatology.
From this article, you will find out why vitamin C is needed in cosmetics and adequately used and the best vitamin c serum. Click here to read more: https://dermaskincare1.wordpress.com/2021/09/09/how-choose-and-use-vitamin-c-serum/