Want tighter, brighter skin? Collagen serums are perfect skincare solutions that can be applied and massaged directly onto the face post a cleansing ritual and before applying moisturizer. Collagen serums comprise of tiny molecules that are quickly absorbed by the skin. Most serums work on tackling specific skincare concerns, which is why a collagen serum would efficaciously solve issues related to your skin’s collagen. Collagen plays a major role when it comes to retaining .