@3_sister_vibes: This serum has NAD which we loose as we age taking elasticity and collagen with it. causing fine lines and wrinkles. EGG is so beneficial in firming the skin and cell turnover all and all our skin is looking better nearing 40 than our 20s! #antiaging #skinfirming #finelinesandwrinkles #NAD #skintok @medicube global results vary