December 2021 in “Jurnal ilmiah Manuntung” The best hair growth results were achieved with a hair tonic containing 5% gotu kola extract and 0.04% garlic extract.
9 citations
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March 2011 in “Oxidative stress and disease” Some herbal treatments are effective for skin disorders, but more research and regulation are needed.
December 2025 in “International Journal of Molecular Sciences” Centella asiatica extract taken orally can reduce skin aging from UVB exposure.
17 citations
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August 2024 in “International Journal of Biological Macromolecules” 
February 2025 in “Natural Product Communications” Aloe vera, Centella asiatica, Green Tea, and Pueraria mirifica extracts together boost hair growth by enhancing stem cell properties.