By Lindsay Sheehan Oats – or Avena sativa – have enjoyed a long history of use as a safe and effective topical treatment for a wide array of skin conditions. First used medicinally in ancient Rome, oatmeal carries both dermatological and cosmetic benefits: it cleanses, moisturizes, soothes, and protects the skin. Setting itself apart from other cereal grains, oatmeal is especially rich in proteins, complex carbohydrates, lipids, vitamin E, and a wealth of antioxidants. Colloidal oatmeal is derived from finely ground whole dehulled oat grain. When combined with water, honey, oils, yogurt, lotion, or other liquids, colloidal oatmeal disperses evenly
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