Discussions tagged with 'lactic-acid' BathroomChemist Buffer concentration in serums BathroomChemist replied 3 months, 1 week ago 3 Members · 4 Replies Advanced Questions abdullah 30% lactic acid @ph 2 solution abdullah replied 5 months ago 3 Members · 14 Replies Skin Viewing 1 - 2 of 2 discussions