Serum layering is applying more than one face serum on your skin in a certain order in the same skincare routine. Layering serums maximizes the results you get from using them. Ahead, you'll find how to layer serums and the order to apply them. How to layer serums, how to layer face serums, how to layer skin care serums, can you layer serums, how to layer skin serums, layering face serums, layering skincare serums, serum layering