Overnight Repair Serum from Dermalogica is a real wonder serum. Super charged with peptides, combined with Argan and Rose Oil which increases luminosity. This serums is packed with ingredients that encourage collagen producing activities. Great news for who feel their skin is dull and lacklustre. It is best to use this serum at night, preferably without night cream, but if you feel you still need a night cream you put it on after the serum has absorbed.