Evidence supporting the use of: Gotu kola
For the health condition: Scars / Scar Tissue

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Gotu kola (Centella asiatica) is widely used both in traditional medicine and supported by emerging scientific evidence for its role in supporting scar healing and the reduction of scar tissue. Traditionally, it has been used in Ayurvedic and Chinese medicine to promote wound healing. Scientifically, several studies have investigated its active compounds, particularly asiaticoside, madecassoside, and asiatic acid. These triterpenoids are thought to stimulate collagen production, enhance angiogenesis (formation of new blood vessels), and modulate inflammatory responses, all of which are key processes in wound repair and scar formation.

Animal and in vitro studies have shown that extracts of gotu kola can increase the tensile strength of newly formed skin, reduce scar formation, and improve wound contraction. For example, topical application of Centella asiatica extracts has demonstrated accelerated wound closure and improved collagen organization in animal models. Some clinical studies in humans have evaluated gotu kola-based topical formulations (such as creams and gels) for post-surgical scars and stretch marks, with modest but positive effects in terms of scar appearance and discomfort.

However, while the evidence base is promising, most clinical trials have been small or of moderate quality. As such, gotu kola’s role in scar treatment is considered supported by preliminary scientific evidence, but more rigorous, large-scale human trials are needed to further clarify its efficacy and optimal use.

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