Centella asiatica, better known as gotu kola and Indian pennywort, has a long tradition as a medicinal herb in India, China and Indonesia. In North America and Europe, herbalists most commonly use gotu kola for treating disorders of veins and arteries in the legs and arms, according to the University of Maryland Medical Center. A topical solution may help with some skin problems. Consult a qualified health care provider before beginning any herbal therapy.
History
Traditional medicinal systems, including Indian Ayurvedic and Chinese, have used topical gotu kola preparations for treating dermatitis, psoriasis, wounds, skin ulcers, minor burns and leprosy. A small study with psoriasis patients found that creams containing gotu kola leaf extracts were effective at clearing most or all lesions within three to seven weeks, explains Drugs.com. Gotu kola also has a traditional use for prevention of scar formation, and for prevention or reduction of stretch marks.
Cosmetic Benefits
Gotu kola may have cosmetic benefits, as well. A gotu kola gel available in China, India and the Mediterranean region has been shown to increase skin firmness and elasticity, according to Drugs.com. Preparations containing gotu kola extract also show benefits for sun-damaged skin, for skin hydration, and for effects due to cold and dry weather.
Properties of Topical Treatment
Chemicals in gotu kola known as triterpenoids appear to have wound-healing properties, notes the UMMC. Triterpenoids may strengthen skin, increase blood supply to the affected area and raise the level of antioxidants in wounds. Drugs.com explains that topical gotu kola is most effective in later stages of wound healing, as it reduces inflammation and promotes production of collagen.
Oral Supplements
Oral gotu kola supplements may be beneficial for treating chronic venous insufficiency and varicose veins, according to the UMMC. Chronic venous insufficiency occurs when blood vessels lose elasticity, causing blood to pool in the legs, fluid to leak from the blood vessels, and the legs to swell. Varicose veins involve enlarged, swollen and twisted veins that stand out against the skin. Both conditions can be painful.
Side Effects
Side effects associated with both topical and oral gotu kola are rare, according to the UMMC. Side effects with the topical preparations may include allergic skin reactions, itching, and burning sensations. With oral remedies, some people may experience headache, dizziness, drowsiness, upset stomach and nausea. These side effects are most likely with high doses of gotu kola. The herb also may cause extra sensitivity to sunlight, which could increase the risk of sunburn. Although unlikely, some people may experience an allergic reaction to gotu kola, with symptoms of rash, hives, itching, skin swelling, chest pain or difficulty breathing.
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