Combat visible signs of aging with this powerful serum anchored in seven layers of retinol to boost skin’s collagen levels while brightening and hydrating skin. The formula is infused with niacinamide to brighten dark spots, squalane to repair skin damage and panthenol to keep skin resilient. For optimal results, introduce the serum gradually into your nighttime skin care routine, taking care to apply no more than a pea-sized amount every time. Benefits: A serum enriched with highly concentrated Retinol that boosts the Collagen creation inside the skin. Retinoids that enhance 158% of Collagen creation inside the skin that has decreased the stimulation. Seven-layer retinol layering with a high density of ingredients for loose and weakened skin. 3 Steps of stabilization of Medicube’s retinol stabilization method to the skin deep and dense. How to use: 1. Try pea size to the wrinkle, freckle, and blemish area at once every two days at the serum step of the night care routine. 2. After using for two weeks, gradually increase the amount you use and apply it thinly all over your face every evening