Evidence supporting the use of: Bidens pilosa
For the health condition: Acne

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Synopsis

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

Bidens pilosa, commonly known as Spanish needle or blackjack, has a long history of use in traditional medicine across various cultures, particularly in Africa, Asia, and South America. Its use for skin conditions, including acne, is primarily based on ethnobotanical reports and traditional remedies, where the plant is applied topically or consumed as a tea to treat various skin ailments. The rationale behind its use is typically attributed to its purported anti-inflammatory, antimicrobial, and wound-healing properties, which are believed to help reduce the inflammation and bacterial proliferation associated with acne.

While some laboratory studies have demonstrated that extracts of Bidens pilosa exhibit antibacterial and anti-inflammatory activities, these studies are mostly in vitro or in animal models, and there is a lack of direct clinical evidence supporting its efficacy in treating acne in humans. The few studies that address its effects on skin conditions focus on broad antimicrobial or anti-inflammatory effects rather than specific outcomes in acne. Thus, while the plant’s traditional use for acne finds some support in its pharmacological profile, the current evidence does not rise to a high scientific standard. Further clinical research is needed to validate its efficacy and safety for acne treatment in humans.

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