This silky serum has the highest percentage of growth factor complex possible to encourage cell renewal. Use it twice daily after cleansing and as a primer for the daily moisturizing complex or advanced night repair. Its corrective properties make this the most popular product in the LUMINESCE line. http://www.youthis.jeunesseglobal.com/products.aspx?p=LUMINESCE 活化細胞分子，令肌膚重現年輕光采 刺激肌膚細胞再生 重新回復肌膚光澤、緊緻與平滑 消除皺紋，撫平細紋 補充肌膚流失的膠原蛋白與彈力蛋白