When dealing with dry, itchy, or inflamed skin, many people seek out soothing remedies. One time-tested solution is colloidal oatmeal, known for its gentle and calming properties.
Colloidal oatmeal is a popular ingredient found in lotions, creams, and various skincare products. It is frequently used to alleviate issues such as dry skin, itchiness, bug bites, sunburns, and eczema. The American Academy of Dermatology even recommends colloidal oatmeal baths for children suffering from chickenpox.
“Colloidal oatmeal is an easy, affordable, and natural option to soothe irritated skin,” says Dr. Peter Lio, a dermatologist and founding director of the Chicago Integrative Eczema Center.
Dr. Jennifer Holman, a dermatologist at U.S. Dermatology Partners in Tyler, Texas, emphasizes that it is safe for daily use to prevent dry skin. “Many men struggle with irritation and eczema on their lower legs, especially in arid climates or during winter when heating systems are in use. This can often be prevented by daily use of an emollient containing colloidal oatmeal,” she explains.
What Is Colloidal Oatmeal?
Colloidal oatmeal differs from the oatmeal typically consumed; it consists of finely ground oats known scientifically as Avena sativa. According to Dr. Lio, this processing allows the oatmeal to be easily absorbed by the skin when mixed with water. Colloidal oatmeal has been utilized for centuries to soothe and protect skin.
Rich in fats, proteins, vitamins, minerals, and other beneficial nutrients, oatmeal acts as an emollient, which helps to moisturize and calm the skin. In 1945, a ready-to-use colloidal oatmeal product became available. The U.S. Food and Drug Administration (FDA) recognizes colloidal oatmeal as a skin protectant, and it is commonly included in bath powders, moisturizers, and shaving gels.
Colloidal oatmeal is an approved treatment for conditions such as eczema and minor skin irritations due to its anti-inflammatory, moisturizing, and soothing properties. The FDA mandates that moisturizers claiming to treat eczema include colloidal oatmeal.
The Main Benefits of Colloidal Oatmeal
Colloidal oatmeal possesses anti-inflammatory and antioxidant properties that provide various benefits to the skin. Dr. Lio notes that its chemical composition helps combat cytokines, proteins that trigger inflammation within the body.
Antioxidants in colloidal oatmeal play a crucial role in fighting free radicals, which can lead to oxidative stress associated with various health issues, including cancer, diabetes, heart disease, and certain skin disorders.
“Antioxidants help the skin respond to external irritants or injuries,” Dr. Holman states. “Colloidal oatmeal strengthens our skin barrier through its emollient properties, providing defense against the outside world.”
Research published in the Journal of Drugs in Dermatology in 2020 found that a 1% colloidal oatmeal eczema cream improved the skin’s microbiome by reducing harmful bacteria on the skin’s surface. This is significant, as staphylococcus bacteria are commonly associated with infections in patients suffering from atopic dermatitis, also known as eczema.
The study also noted improvements in skin pH, barrier function, and hydration. Colloidal oatmeal is believed to form a protective barrier on the skin, locking in moisture and preventing water loss, making it effective for soothing irritation and minimizing redness and itching.
Further studies have shown that colloidal oatmeal’s antioxidant and anti-inflammatory qualities improve skin dryness, scaling, roughness, and itching. Other research indicates it can alleviate symptoms of hand eczema and reduce the frequency of flare-ups.
How to Use Colloidal Oatmeal
Colloidal oatmeal is available in various products, including bath treatments, body washes, creams, and lotions. Dr. Holman typically advises patients with eczema or skin irritations to use a moisturizer containing colloidal oatmeal daily after showering to prevent issues. Even for those without specific skin problems, regular use of a colloidal oatmeal moisturizer can help prevent dry skin.
Colloidal oatmeal baths are particularly beneficial for soothing irritated or itchy skin caused by sunburn, shingles, or poison ivy. “The best option depends on what you’re treating: baths are excellent for larger areas, while creams and lotions offer targeted relief,” says Dr. Lio.
Is Colloidal Oatmeal Safe?
Colloidal oatmeal is generally safe and well-tolerated by most individuals, including those with sensitive skin. However, it should be avoided by anyone with an oat allergy. Individuals with celiac disease may also experience sensitivity to the avenin protein in colloidal oatmeal, potentially leading to rashes or itchiness.
If irritation occurs after using colloidal oatmeal, Dr. Lio recommends discontinuing use and consulting a dermatologist.
When to Consult a Doctor About Skin Problems
Dr. Holman advises that colloidal oatmeal is best suited for mild skin conditions and as a preventive measure against dryness and irritation. If you have been using it to address rashes, burns, bug bites, or other issues without improvement for a few days—or if symptoms worsen—Dr. Lio suggests seeking medical advice.
Symptoms such as oozing, crusting, pain, or severe redness may indicate an infection or a more serious skin condition, warranting a consultation with a healthcare professional.
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