An overnight serum with ultra-stable Vitamin C and Pro-Vitamin D Complex helps restore moisture barrier for long-lasting radiance, hydration, and improved tone.- Provides long-lasting brightness and immediate hydration- Helps repair and restore skin’s moisture barrier- Helps reverse daytime damage Use: After cleansing and toning, dispense 3-4 drops and apply evenly over face and neck. Keep out of eyes. Dermalogica Biolumin-C Night Restore 25 ml