Jan Marini Age Intervention Eye Cream 0.5oz. Jan Marini Age Intervention Eye Cream is a lightweight, silky formulation that penetrates deeply to smooth the skin as it locks in vital moisture. Designed to strengthen this delicate skin from within, Jan Marini Age Intervention Eye Cream calls on the power of Peptides to yield results that are both visible and measureable. Regular use will lead to firmer, smoother skin that is bright and healthy. Jan Marini Age Intervention Eye Cream is designed to treat the delicate skin of the eye area.