Discussions tagged with '# hyaluroinc acid serum' sophiahoppin Serum formulation sophiahoppin replied 1 year, 1 month ago 2 Members · 2 Replies Formulating sophia07 Help with formulation of serum sophia07 replied 1 year, 1 month ago 5 Members · 5 Replies Formulating allergycenter FORMULATING PURE HYALURONIC ACID SERUM nicki121 replied 2 years ago 3 Members · 2 Replies Advanced Questions Viewing 1 - 3 of 3 discussions