Discussions tagged with 'vit-c' devo2 Oil soluble vit C (MAP) for sunscreen devo2 replied 2 years, 10 months ago 1 Member · 0 Replies Formulating kot SHOULD NIACINAMIDE AND L-ASCORBIC ACID BE USED TOGETHER? kot replied 7 years, 4 months ago 2 Members · 3 Replies Formulating Viewing 1 - 2 of 2 discussions