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Colloidal Oatmeal
INCI: Avena Sativa Kernel Flour
What is it?
Colloidal oatmeal is whole oat kernels, ground down by milling to a fine enough powder that it stays suspended in water instead of settling out. That's what 'colloidal' refers to here, not a chemical extraction step. It works through several genuinely different mechanisms at once: compounds unique to oats called ave...
How is it used?
Sprinkle it slowly into the water phase while mixing. Never dump it in all at once, since the fine particles clump if they can't hydrate evenly. Pre-slurrying it in a little glycerin before adding it to the main batch also helps it disperse smoothly. In cold-process soap, it typically goes into the oil phase before...
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