REPLENIX Retinol 2x Regenerate Dry Serum is a powerful skin-regenerating dry serum scientifically formulated to help reduce the appearance of fine lines, wrinkles and achieve smoother, firmer, more evenly toned skin. This clinically proven retinol serum pairs a proprietary, patent-pending delivery system with our advanced proprietary Green Tea Polyphenols Technology to efficiently deliver retinol into skin without any irritation and allowing skin to return to its natural calm state. Retinol Concentration 0.2%