As of 2015, there is insufficient evidence to show that taking biotin or vitamin H orally prevents or reduces hair loss. However, there is strong evidence to show that a biotin deficiency causes hair thinning, hair color... More »

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Supplementing 10 mg of biotin per day restores hair loss caused by biotin deficiency, according to Examine.com. As of 2015, there is no evidence showing that biotin restores hair loss in people without a biotin deficienc... More »

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Some evidence suggests that biotin can reduce hair loss when it is taken orally, combined with zinc and used in conjunction with a topical cream containing clobetasol propionate, according to MedlinePlus. However, there ... More »

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Some evidence suggests that biotin can reduce hair loss when it is taken orally, combined with zinc and used in conjunction with a topical cream containing clobetasol propionate, according to MedlinePlus. However, there ... More »

www.reference.com Health Medications & Vitamins Side Effects

Wen hair care receives complaints about the quality of its products for reasons including hair loss, scalp irritation, drying and greasiness. In addition, customers complain about poor customer service and the ordering p... More »

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There is some preliminary evidence that biotin supplements may help to strengthen brittle nails, but there is no medical evidence for the use of biotin supplements for treating hair loss or other hair-related conditions,... More »

Biotin is a water-soluble B-vitamin that has no known side effects when taken in doses up to 10 milligrams. WebMD reports that the vitamin is regarded as safe, but it has no established recommended daily allowance, and f... More »

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