Sweating is a natural response from the portion of the brain that controls body temperature known as the hypothalamus. This physical response is typically activated when the body temperature rises above 98.6 degrees Fahrenheit. This is when the sweat glands produce sweat, or a mixture of water, ammonia, sugars, salts and urea. As the sweat is pushed through the skins pores, it evaporates, which cools the body. While sweat is a natural occurrence, excessive sweating, or hyperhidrosis, is a nuisance and may dehydrate the body. Sweating may be controlled through medications; however, herbal remedies may be able to reduce the severity of sweating.
Sage
The International Hyperhidrosis Society reports in the article "Kitchen Herb May Help Relieve Sweating" that the use of sage is shown to reduce moderate sweating. The article discusses a study performed by Isfahan University School of Medicine; after a six-week trial the researchers found patients who received a sage tea mixture had a 37 percent reduction in sweating when compared to the placebo group. It is believed sage reduces excessive sweating by acting as an astringent, which dries the skin where applied. To use this herbal remedy, mix three spoonfuls of dried sage leaves with 8.5 oz. of lukewarm water. Allow the sage to steep in the water for 24 to 48 hours, and apply to areas of your body where you wish to reduce sweating up to three times per day.
Black Tea
Black tea is derived from the Camellia sinesis plant. MedlinePlus reports it can enhance mental alertness and reduce the risk of developing kidney stones, Parkinson's disease and ovarian cancer. Black tea contains tannins, amorphous substances responsible for giving tea its color, flavor and astringent qualities. When black tea is topically applied, the astringent qualities cause a superficial closure of the pores. This pore closure may help reduce excessive sweating, according to the International Hyperhidrosis Society. To use this herbal remedy, brew 8 oz. of black tea and allow the tea to cool. Dip a washcloth into the tea, and apply wherever you wish to control sweating at least one time per day.
Witch Hazel
Witch hazel has a long history of use within the Americas, and it is commonly found in astringent and cooling agent products. While Drugs.com states no clinical information is available to support medicinal claims for this herb, this herb may be able to control excessive sweating because of its astringent qualities. The primary active compound within witch hazel is tannins. The highest concentration of the tannins is located in witch hazel leaves, at 7 percent to 10 percent. Witch hazel leaves may be steeped in 8 oz. of room temperature water for 24 hours, and this infused water is then applied topically to the skin.
Warnings
While the external use of herbs carries fewer potential side effects than internal consumption, those with sensitive skin or skin ailments, such as psoriasis or eczema, must consult with their physician prior to application. Some of the most common side effects associated with topical application of the aforementioned herbs include skin rash, inflammation and skin irritation. Be cautious if consuming witch hazel or sage; herbs are known to cause adverse side effects such as rapid heart rate, nausea, vomiting and constipation. Always discuss the safety of consuming these, and other, herbs before starting a regimen.
References
- KidsHealth; What's Sweat?; Steven Dowshen, MD; July 2009
- International Hyperhidrosis Society; Kitchen Herb May Relieve Sweating; November/December 2005
- Drugs.com; Witch Hazel; May 2011
- International Hyperhidrosis Society: Topical Treatments: Astringent Agents
- Encyclopedia Britannica: Tannin
- MedlinePlus; Black Tea; June 2011
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