Age Defender Power Serum - BenefitsFor men's skinAbsorbs quickly with a lightweight textureHelps reduce the appearance of facial wrinkles and fine lines while visibly firming skinKey IngredientsADENOSINE: Derived from yeast fermentation. Within Kiehl's formulas, it is known to help reduce the appearance of lines and wrinkles.CYPRESS EXTRACT: Originated in La Reunion, an island in the Indian Ocean, and is cultivated on protected slopes. Within Kiehl's formulas, it is known to help strengthen skin. - Age Defender Power Serum