WHAT IS RETINOL AND WHY CAN IT CAUSE SKIN PURGING Retinol is a derivative of vitamin A known for its skin-renewing properties. It can cause skin purging because it accelerates cell turnover, expediting the emergence of underlying impurities, leading to temporary breakouts and increased sensitivity. Its copious amounts found in vegetables like carrots and broccoli. It is considered great for the skin as it treats several aspects simultaneously. However, most people flinch at starting a retinol for the fear of retinol purging. Let me tell you a little bit more about this wonder element that is magical for your skin.