Evidence supporting the use of: Blend (Fatty Acid or Fat/Oil Supplement)
For the body system: Hair

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Synopsis

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

Fatty acid or fat/oil supplements, such as omega-3 and omega-6 fatty acids (commonly found in fish oil, flaxseed oil, and evening primrose oil), are scientifically studied for their potential benefits in supporting hair health. These fatty acids are essential components of cell membranes and are involved in various biological processes, including inflammation modulation and skin barrier function. Scientific evidence indicates that deficiencies in essential fatty acids can lead to hair changes, such as dry, brittle hair or hair loss. Several clinical studies and reviews have shown that supplementation with omega-3 and omega-6 fatty acids may help improve hair density, reduce hair loss, and enhance hair shaft diameter in individuals experiencing hair thinning or telogen effluvium.

For example, a 2015 randomized controlled trial published in Journal of Cosmetic Dermatology found that women who took a supplement containing omega-3, omega-6, and antioxidants for six months experienced significant improvements in hair density and reduced hair loss compared to placebo. Other observational studies have reported similar associations, though more large-scale, high-quality trials are needed to confirm these effects and determine optimal dosing. Overall, while not a panacea, fatty acid supplementation has a moderate level of scientific evidence supporting its role in promoting healthy hair in certain populations.

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