Encyclopedia

Processs

3 process ingredients explained in plain English.

Cool-down phase The stage of a recipe (around 40°C) where heat-sensitive actives, fragrance, and preservatives are added. Heat & hold Heating the water and oil phases separately to 70°C and holding for 20 minutes before emulsifying. pH A measure of acidity. Skin sits at 4.5-5.5; most leave-on products target 4.5-6.