VITAMIN C SERUM: FOR DAY OR NIGHT?

What Is Face Serum, And How Does It Work?Table of ContentsWhat Is The Difference Between A Serum And A Cream?Face Serum: What Is It & How To Correctly ApplyEfficacy And Tolerability Of A Facial Serum For Fine LinesSerum - Benefits, Uses & What Is It?What Does Vitamin C Do For Your Skin? Serum BenefitsHow To Use Serum For Face In Your Skincare Routi