Stem Cell 3D Active Retinol Repair Serum – 0.6%What it is: Finally, a retinol you can truly trust. dermaquest stem cell 3d active retinol repair serum provides unmatched results while nourishing the skin and minimizing the known downsides of retinols like irritation, peeling, and dryness. 4 powerhouse retinoids + 3 customizable levels + 2 nourishing plant stem cells + 1 time released delivery system = transformative benefits available in three different levels (0. 3%, 0. 6%, and 1%), this first of