Experiment and Report: How Hydrosols can Challenge the Performance of the Preservation System by Gail Francombe | May 7, 2021
Formulation example: Gently foaming cleansing lotion with decyl glucoside by Gail Francombe | May 7, 2021
Experiment and report: Do anhydrous body scrubs (made with Sucragel) need preservatives? by Gail Francombe | May 7, 2021