Discussions tagged with 'substitution' Unknown Member Starch gelling agent question (hydroxypropyl vs Hydrolyzed) ketchito replied 1 year, 4 months ago 2 Members · 1 Reply Formulating Sponge What have you had to replace? (Substituting new ingredients for old favorites) Pattsi replied 4 years, 1 month ago 4 Members · 3 Replies Formulating Viewing 1 - 2 of 2 discussions