K-Beauty Serum Not Working? How Long It Really Takes and 6 Fixable Reasons
TL;DR — Three weeks into a new Korean serum and your skin looks exactly the same. Nothing worse. Nothing better. That flat, did-I-waste-my-money feeling is the single most common reason people abandon a bottle that was actually fine. Most of the time the serum isn’t broken. The clock is. Three weeks into a new Korean…
