Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Sunflower oil, specifically sunflower seed oil (Helianthus annuus), has some scientific support for its use in managing symptoms of psoriasis, particularly as an emollient to improve skin barrier function and hydration. Several studies have demonstrated that sunflower oil is rich in linoleic acid, an essential fatty acid that helps maintain the integrity of the skin barrier and has anti-inflammatory properties. In psoriasis, where the skin barrier is impaired and inflammation is prominent, topical application of sunflower oil can help reduce transepidermal water loss and soothe irritated skin.

A few small clinical studies and case reports have indicated that sunflower oil can be beneficial as an adjunctive therapy for patients with psoriasis, improving skin moisture and reducing scaling and itching. However, it is not considered a primary treatment and does not address the underlying immune dysfunction of the disease. Most guidelines recommend sunflower oil as a safe and gentle moisturizer for sensitive or compromised skin, including psoriatic skin.

While there is a scientific rationale and some evidence for its use, the data is limited, and large-scale clinical trials specifically targeting psoriasis are lacking. Therefore, the evidence rating is moderate to low (2 out of 5). Sunflower oil is primarily used to support the skin barrier and alleviate dryness rather than to treat the fundamental disease process of psoriasis.

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