Evidence supporting the use of: Sapindus mukorossi
For the health condition: Lice

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Synopsis

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

Sapindus mukorossi, commonly known as soapnut or reetha, has a long-standing use in traditional medicine, particularly in Ayurveda and folk practices across South Asia, for treating lice infestations. The fruit contains natural saponins, which generate a soapy lather when mixed with water and are believed to have insecticidal properties. Traditionally, soapnut extracts or decoctions are applied to the scalp and hair to cleanse and help remove lice and nits. Several ethnobotanical surveys and Ayurvedic texts mention its use as a natural remedy for lice, often as an alternative to chemical treatments.

However, the scientific validation of Sapindus mukorossi’s efficacy specifically against lice is limited. While studies have confirmed its general antimicrobial, antifungal, and insecticidal activity, direct clinical trials or laboratory studies evaluating its effectiveness in lice eradication are scarce. The rating of 2 reflects a strong traditional basis and some plausible biological mechanisms, but a lack of robust, direct scientific evidence. More rigorous, controlled studies would be needed to confirm its safety and efficacy for this purpose by modern medical standards.

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