Essences and Serums and Ampoules! Oh my!
Essences, serums, and ampoules (ESAs): If you’re new to skin care, you’re probably still trying to figure out what these are all about. The reason why is because the definition of these products is so loose that its really hard to nail down. This post will guide you through what ESAs are, the difference between them, and why you should be using them.