Discussions tagged with 'sun' Gunther Acid suggestions to lower a skin cream pH while avoiding the sun-sensitizing citric acid? Graillotion replied 3 years, 11 months ago 14 Members · 33 Replies Formulating Anonymous Zinc oxide (ZnO) dispersion for sunscreen - Looking for a supplier in North America Dr Catherine Pratt replied 5 years ago 3 Members · 5 Replies Requests / Opportunities Anonymous Sunscreen actives for “natural” formulas OldPerry replied 9 years, 6 months ago 3 Members · 3 Replies Formulating Viewing 1 - 3 of 3 discussions