General search term.
Might be referring to: colloidal Oatmeal is finely ground oatmeal. It is often used to relieve minor skin irritation and itching due to poison ivy or insect bites. ... Colloidal oatmeal is a natural cosmetic ingredient obtained from Avena sativa (oats). The whole oat grain, including the bran layer, is milled and sieved.Mar 16, 2017.