The recommended order is cleanser, optional face mask, antioxidant serum, moisturizer, sunscreen, then makeup after allowing sunscreen to set for around 15 minutes
Due to this high aerobic demand, the generation of high amounts of ROS and other oxidative by-products is unavoidable ( GSH is synthesized via two ATP-dependent enzymatic steps catalyzed by glutamate-cysteine ligase (GCL) and glutathione synthetase
In fact, studies suggest that only 2090% of nutrients may be absorbed, with the rest leaving the body as waste, depending on the nutrient and how you digest it
This article breaks down exactly why the price varies so dramatically, what you get at each tier, and why the cheapest option is often the most expensive one when you account for what you do not receive