Evidence supporting the use of: Linseed oil
For the health condition: Skin (dry and/or flaky)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Linseed oil (also known as flaxseed oil) is commonly used to support dry and flaky skin, and there is moderate scientific evidence supporting this application. Linseed oil is rich in alpha-linolenic acid (ALA), an omega-3 fatty acid, as well as other polyunsaturated fatty acids that are essential for maintaining healthy skin barrier function.

Several studies have investigated the effects of dietary supplementation with linseed oil on skin health. For example, a double-blind, placebo-controlled study published in Skin Pharmacology and Physiology (2009) found that participants taking flaxseed oil orally for 12 weeks experienced significant improvements in skin hydration and smoothness, along with reduced scaling and sensitivity, compared to the placebo group. The improvements were attributed to increased incorporation of omega-3 fatty acids into cell membranes, enhancing the skin's barrier properties and reducing water loss.

Topical application of linseed oil is less well-studied, but its emollient properties and ability to form a protective layer on the skin suggest it may be beneficial for dry or flaky skin. Historically, linseed oil has also been used in traditional medicine for skin conditions, but most modern evidence pertains to oral supplementation rather than topical use.

In summary, there is moderate scientific evidence (rating: 3/5) supporting the use of linseed oil, particularly as a dietary supplement, to help improve skin hydration and reduce dryness and flakiness.

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