Evidence supporting the use of: Black seed
For the body system: Hair

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Synopsis

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

Black seed (Nigella sativa) has a long history of traditional use in various cultures, particularly in the Middle East and South Asia, for supporting hair health. Traditional remedies often involve topical application of black seed oil to promote hair growth, reduce hair loss, and improve scalp condition. The rationale in folk medicine is attributed to black seed's purported nourishing, anti-inflammatory, and antimicrobial properties, which are thought to benefit the scalp and hair follicles.

Scientific validation for these effects, however, is limited. There are a few small studies and preclinical experiments suggesting that black seed oil may help reduce inflammation and microbial growth, which could indirectly support scalp health. Thymoquinone, the major active component in black seed oil, has documented antioxidant and anti-inflammatory effects, but direct evidence for hair regrowth or prevention of hair loss in humans is scant. Most published studies regarding black seed and hair focus on anecdotal reports or animal models, without robust clinical trials to substantiate claims.

Overall, while black seed is widely used in traditional systems of medicine for hair concerns, current scientific evidence supporting its efficacy for hair health is modest and not conclusive. Thus, its use for supporting the hair body system is primarily justified by tradition rather than strong scientific validation.

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