What makes a good face serum?

Serums have become a staple and mainstay in most people’s skincare routine. There seems to be an endless array of serums out there in the market. But if you are a little confused which ones to get, we have the answer for you right here! What’s your skin type? But before we get into the subject of What makes a good face serum?, let’s first talk about skin types because choosing the suitable serum for your