Discussions tagged with 'cold' ETcellphone Refrigeration of Vitamin C Serum: Yes or no? Paprik replied 3 years, 6 months ago 7 Members · 9 Replies Formulating Laurannecarly Pressure build-up in 15% Ascorbic acid emulsion during stability testing Laurannecarly replied 4 years, 6 months ago 7 Members · 42 Replies Formulating Zink (Sea) Salt in wash off and leave on products VS Acne? Zink replied 9 years, 8 months ago 5 Members · 7 Replies Formulating Viewing 1 - 3 of 3 discussions