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Colloidal Oatmeal

What Colloidal Oatmeal is & what it does

Colloidal Oatmeal is finely milled whole oat (Avena sativa) suspended to a uniform powder, long used in skincare as a soothing, skin-protecting ingredient. In lotions and after-sun formulas it works as a skin protectant and conditioning agent that helps support the skin barrier and a comfortable feel. It is recognized for its blend of starches, proteins, and beta-glucans that give it a soft, buffering quality.

What does Colloidal Oatmeal do in skincare?

Colloidal Oatmeal is finely milled oat used as a soothing skin-protectant and conditioning ingredient. In lotions and after-sun products it helps support a comfortable, calmer skin feel and a healthy-looking barrier. It contains starches, proteins, and beta-glucans that give it a soft, buffering quality.

Is Colloidal Oatmeal comedogenic?

Colloidal Oatmeal is generally considered low risk for clogging pores and is often used in products marketed for sensitive or reactive skin. How any finished product feels also depends on the other ingredients in the formula. If you are acne-prone, choosing non-comedogenic labeled products and patch testing can help.

Is Colloidal Oatmeal natural or synthetic?

Colloidal Oatmeal is a natural ingredient: it is whole oat (Avena sativa) that has been finely ground into a uniform powder. It is processed only by milling, not by chemical synthesis.

Sunscreens with Colloidal Oatmeal

We rate 27 sunscreens that contain it, showing the top 10 by overall score:

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