| http://www.w3.org/ns/prov#value | - acid with a pKa(1) of 4.2, L-ascorbic acid needs to be incorporated into a vehicle that has a low pH (less than about 3.5) in order to function and more effectively penetrate the stratum corneum.Finally, several other antioxidants have been shown to work in-tandem or synergistically with Vitamin C, such as vitamin E and alpha lipoic acid.
|
