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Colloidal Oatmeal (Psoriasis)

Colloidal oatmeal is produced by grinding and boiling oats, and is available in various formulations from bath products to moisturisers. Colloidal oatmeal contains a number of different natural components that are believed to be responsible for its diverse functional properties. Colloidal oatmeal is used as a soothing agent to relieve the itch and irritation that is associated with various dry skin conditions, including psoriasis.

Level of evidence: B

HelloSkin’s experts were unable to find any scientific data or clinical trials regarding the use of colloidal oatmeal in people with psoriasis.

However, extracts of colloidal oatmeal has been shown to possess antioxidant and anti-inflammatory activities in lab models and in animal itch models1,2, which can limit the inflammation in the skin3.

Also, colloidal oatmeal containing skin protectant lotion has been shown to improve skin dryness, scaling, roughness and itch intensity in healthy women with mild to moderate itch and moderate to severe dry skin1.One study also found that the colloidal oatmeal emollient compared with the control cream had significant benefits on people with extremely dry skin4.

The concentration of an ingredient is important for its efficacy, and therefore products containing the same ingredient may not necessarily have the same effect as in the studies mentioned above.

Updated: July 2017


1J Drugs Dermatol. 2015

2Arch Dermatol Res. 2008

3J Drugs Dermatol. 2010

4J Drugs Dermatol. 2014

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