The Longevity Age Logic Serum is an overnight treatment that supports the skin’s natural metabolism, encouraging natural cell regeneration for a smoother and more youthful appearance. - Encapsulated ATP (Adenosine Triphosphate): Provides energy to the skin that supports essential natural processes. - Actinergie: Improves cell metabolism and encourages cellular oxygenation. - Cellular Life Complex with 56 Active Ingredients: Further improves skin regeneration. - Vitamins C and E: Protect the skin against free radicals. To use: Apply evenings to the cleansed face and neck.