Dermalogica Age Smart BioLumin-C Serum 2.0 oz Sealed. This serum utilizes bio-technology, lactic acid, and ultra-stable vitamin c complex, which work synergistically to fight the appearance of wrinkles before they start. The optimized delivery system a vegan peptide and AHA gently exfoliates to reduce unbalanced pigmentation. High in antioxidants, the serum firms the skin while also defending against free radical damage and oxidative stress. Skin Concerns: Fine lines Hyperpigmentation Dullness