Face serums contain concentrated ingredients, with minimalist formulas designed to address specific skin concerns. Skincare issues could be dry skin, uneven skin tone, fine lines and wrinkles, or more.  They can be stored in face serum ampoulessmall glass vials that have become the European gold standard of skincare innovation. And because serums are typically powerful, lightweight, and fast-absorbing, they can be a great addition to your skincare routine.