Evidence supporting the use of: Sichuan Pagoda Tree
For the health condition: Acne

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Synopsis

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

The Sichuan Pagoda Tree (Styphnolobium japonicum, formerly Sophora japonica) is a plant commonly used in Traditional Chinese Medicine (TCM). In TCM, extracts from the flower buds, known as "Huai Hua," are employed mainly to "clear heat," "cool the blood," and stop bleeding. It is sometimes included in formulations for skin conditions believed to be due to "heat" or "toxicity" in the body, a category that can encompass acne and other inflammatory skin disorders. The traditional rationale is based on its purported ability to reduce inflammation and detoxify, which are thought to help resolve pustular skin eruptions. However, there is limited direct scientific evidence specifically validating the use of Sichuan Pagoda Tree for acne. Some phytochemical studies have identified flavonoids and other compounds in the plant with general anti-inflammatory and antioxidant properties. A few in vitro studies suggest antimicrobial effects, but robust clinical trials assessing efficacy for acne are lacking. Therefore, its use for acne is justified primarily by traditional practices rather than modern scientific validation. The evidence rating reflects the presence of preclinical data but the absence of high-quality clinical studies.

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