Abstract
Background: Herbal creams are popular among patients with skin diseases. In 2019, a Chinese herbal cream was found containing glucocorticoid, which makes us suspect that many herbal creams may contain glucocorticoid. Methods: Forty-nine herbal creams were bought online and tested by HPLC-MS-MS. Finding: Thirty-seven creams contained glucocorticoid, thirty-six of them contained clobetasol propionate. All adulterated cream were licensed as disinfection products. Interpretation: Adulteration of glucocorticoid in herbal creams may cause serious side effects. Regulation of disinfection product is urgently needed. Funding: no funding, all expenses are paid by authors. Funding Statement: The authors stated: No funding, all expenses are paid by authors. Declaration of Interests: All authors declare that there have no competing interests to this manuscript. Ethics Approval Statement: Not required.
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