What percentage of Vitamin C is in the Serum?
Our formualtion is 10% pure, stabilized L-ascorbic acid (vitamin C). Vitamin C has many known biological functions, including the stimulation of collagen synthesis, the strengthening of skin tissue against external attack like UV radiation and pollution and activity against damaging free radicals. Only with the SFRx patented formula are you assured that when you apply the product to your skin it is as active and potent as the day it was manufactured.