Dermalogica's Overnight Repair Serum is an AGE-fighting nightime facial oil which maximises nightime skin repair & will help to minimise fine lines & increase luminosity. Powerful peptide serum with Argan & Rose oils helps to promote skin repair overnight. Resilience is renewed as potent Argan & Rose oils revitalize lackluster skin & smooth away fine lines. Your skin is as unique as you are, & is constantly changing due to lifestyle choices & seasonal changes. When specialised care is needed, Dermalogica Targeted Treatments become the essential addition to your daily skin health regimen. Enhances skin nourishment, recovery, cell renewal & hydration levels. Delivers a quicker, more effective penetration of actives. Boosts skin luminosity. How To Use After cleansing, smooth 4-6 drops into skin or blend with your nighttime treatment cream. This product should only be used at night.