This advanced booster uses 0.1% retinal (a stronger form of retinol) with A-Shot technology to penetrate pores deeply. It targets wrinkles and enlarged pores effectively, helping your skin become smoother and firmer with regular use. The Vita A Retinal Shot Tightening Booster delivers powerful skincare in a tiny drop.  This 15ml formula uses micro-particles 16 times thinner than pores to target wrinkles, uneven texture, and enlarged pores. Featuring advanced retinal (stronger than retinol) and Matrixyl, it penetrates deeply for maximum effectiveness with minimal irritation. For beginners, start with every other night application to troubled areas.