Evidence supporting the use of: Garlic bulb
For the health condition: Acne

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Synopsis

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

Garlic bulb (Allium sativum) has been traditionally used in various cultures for its medicinal properties, including as a remedy for skin ailments like acne. Historical records, particularly in Ayurvedic and traditional Chinese medicine, describe garlic’s topical and dietary use for promoting skin health, reducing inflammation, and fighting infections. The rationale behind its use rests on garlic’s well-documented antimicrobial and anti-inflammatory compounds, most notably allicin, which has demonstrated some ability to inhibit the growth of bacteria such as Propionibacterium acnes (now Cutibacterium acnes), a key player in acne development.

Despite its longstanding traditional use, scientific evidence for garlic’s efficacy in treating acne specifically is limited and largely preclinical. While laboratory studies confirm that garlic extracts can inhibit acne-causing bacteria and reduce inflammatory responses in vitro, there are few high-quality clinical trials evaluating garlic (either topically or orally) for acne in humans. Most available evidence is anecdotal or extrapolated from garlic’s general antimicrobial and anti-inflammatory effects. Potential risks, such as skin irritation or allergic reactions with topical use, also need consideration.

In summary, garlic’s use for acne is primarily supported by tradition and plausible biological mechanisms rather than robust clinical evidence. It remains a popular folk remedy, but more rigorous studies are needed before it can be recommended as an evidence-based treatment for acne.

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