Advanced RetinolConcentrated anti aging serum harnesses a pure form of retinol (. 5%) to rapidly enhance the appearance of uneven skin tone, discoloration, loss of volume, firmness, enlarged pores, and fine lines and wrinkles. Combined with bio identical lipids for enhanced penetration to effectively repair a youthful skin barrier and improve product experience while effectively exfoliating dead, dull, stained skin cells and promoting healthy collagen production.