The Kiehl's, this iris extract activating essence treatment is designed to be used directly on skin after cleansing and toning. The first step in your anti-aging routine Quickly and deeply penetrates to nourish, renew and replenish skin after cleansing Activates skin barrier function to provide moisture up to 24 hours post-application Cultivated from the Iris Florentina flower, known for improving skins ability to retain moisture In just 1 week, see smoother, more radiant skin In 4 weeks, skin texture is noticeably improved and fine lines are visibly diminished Made in USA.