Dermalogica Biolumin-C Serum is a high-performance serum that enhances skin’s natural defense system to brighten, firm and help dramatically reduce the appearance of fine lines and wrinkles. Advanced bio-technology and an ultra-stable Vitamin C complex work synergistically to enhance bioavailability of Vitamin C to fight oxidative stress and the appearance of skin aging before it starts. Optimized delivery system combined with a peptide and AHA renews for brighter, firmer, more radiant skin.