What are serums, anyway?! Here are the answers to two of our most-asked serum questions! 💦⁠ ⁠ 💦 Is a serum also a moisturizer? 💦⁠ Yes and no. Serums can be chock-full of moisturizing ingredients, but that doesn’t make them moisturizers in the traditional sense. Face creams are richer and create a barrier on top of the skin to keep all those hydrating ingredients in. ⁠ ⁠ 💦 How often should I use my serum? 💦⁠ Depends on the serum! Read the label, but usually twice a day—in your morning and ev