Five-Leaf Cassia (Senna pentaphylla), also known as “Five-leaved Senna,” has a long history of use in traditional herbal medicine, particularly in South and Southeast Asia. For minor wounds and abrasions, various parts of the plant—especially the leaves—have been applied topically in the form of poultices or pastes. Traditional practitioners claim that Five-Leaf Cassia can aid in wound healing, reduce inflammation, and prevent infection. These uses are largely based on empirical observations and handed-down knowledge rather than controlled scientific studies.

Some phytochemical investigations reveal that the plant contains bioactive compounds such as flavonoids, anthraquinones, and saponins, which are known in other contexts to exhibit anti-inflammatory and antimicrobial activities. However, there are few if any clinical studies directly evaluating Five-Leaf Cassia for treating abrasions or wounds in humans. The bulk of the evidence supporting its use is anecdotal and based on traditional medicine systems, such as Ayurveda and folk medicine.

In summary, while there is plausible pharmacological rationale and a strong traditional basis for using Five-Leaf Cassia for abrasions, scientific validation and robust clinical trials are lacking. Its use for this condition should therefore be regarded as primarily traditional, with supporting evidence rated as low to moderate (2/5).