How should I add collagen into my skincare routine? To prolong the effects of the treatment, I stocked up on the Medicube PDRN collection, and the peptide cream is the perfect choice for everyday use to keep my skin looking plump and smooth! In addition to PDRN and collagen, the formula also blends hyaluronic acid and niacinamide into the gel base for even more lightweight hydration. Despite the eyebrow-raising origins, you’re not really slathering salmon semen on your face; PDRN is carefully ...