Clarins Double Serum Light Anti Aging Concentrate 1 Fl Oz- Hydric Lipidic System. New in box This revolutionary 2-in-1 serum targets 2 types of aging: chronological and now environmental + lifestyle aggressors (diet, sleep, pollution) with NEW Epi-Aging Defense Technology. Instantly strengthens skin's moisture barrier.* Daily serum in perfect ratio to mimic skin for max efficacy on firmness, wrinkles, radiance, and pores in 7 days.* Smooth over clean face and neck each morning and or night. Apply with gentle press-and-release movements, avoiding the eye contour area. Work downward, over neck and décolleté.