The problem: To protect your body, the skin has to withstand a constant bombardment by reactive oxygen species, ROS*, from the outside (delivered to the skin by the environment) and generated within the skin itself, either as a response to incident UV radiation or formed when our (amazing but imperfect) mitochondria respire. The antioxidant system in our own cells is very complex, as shown in the following figure. I am including it in a large size so that you can appreciate the complexity of the system.  You can see the external  (UV, urban particulate matter, noxious chemicals) and internal (imperfect respiration) factors that contribute ROS* and how they damage the … Continue reading ROS* and what an antioxidant serum can do to protect and heal the skin