Darphin Stimulskin Plus Absolut Renewal Serum is a concentrate of potent botanicals and high-performance technologies in a lightweight serum to reactivate youthful appearance and visibly firm and tighten the skin. This lightweight serum combines powerful Sea Emerald, a precious algae that stimulates natural collagen production, with Revolumizing Commiphora Mukul and Deep-Infusion Oil technology to allow powerful active ingredients to penetrate deep into the skin's layers. It helps to strengthen, firm and tighten the skin.