Discussions tagged with 'avobenzone' evchem2 pH requirements for organic sunscreen filters evchem2 replied 1 year, 6 months ago 3 Members · 4 Replies Formulating Developer Increasing hydrophilicity of sunscreens? Developer replied 6 years, 6 months ago 1 Member · 1 Reply General Viewing 1 - 2 of 2 discussions