What it is: Celimax Vita-A Retinol & Retinal Duo . This targeted bundle combines the precision of a serum with the intensified power of a booster to deliver the ultimate "glass skin" finish. By pairing two forms of Vitamin A, this duo works at different speeds to resurface your skin, shrink the appearance of pores, and firm up your complexion without the typical irritation. What’s Included? The  Vita A Retinol Shot Tightening Serum : Your daily defensive play. This lightweight serum uses stabilized Retinol to gently accelerate cell turnover and improve skin elasticity. The Vita-A Retinal Shot Tightening Booster : The secret weapon. Featuring Retinal, which converts to active Vitamin A faster than standard Retinol, this booster targets stubborn texture and sagging pores for visible, high-speed results. Product Size : Serum 30ml + Booster 15ml Product From: Korea