Home › Cosmetic Science Talk › Formulating › Vitamin C Formulating Vitamin C Posted by Anonymous on December 14, 2014 at 9:55 pm Does the oxidation of vitamin C effect its potency? otherhalf replied 9 years, 8 months ago 1 Member · 1 Reply 1 Reply otherhalf Member December 14, 2014 at 10:07 pm Yes. Log In to Reply Log in to reply. Public All Members Only Me PublicAll MembersOnly Me Public All Members Only Me Log In to Reply Start of Discussion 0 of 0 replies June 2018 Now