Avoid in individuals with a known allergy or hypersensitivity to usnea, its constituents, or related lichens. Usnea and its constituents have been reported to cause allergic reactions, such as skin rash, in individuals handling usnea, or using usnic acid vaginally. Deodorant sprays containing usnic acid have been linked to allergic contact eczema.
You should read product labels, and discuss all therapies with a qualified healthcare provider. Natural Standard information does not constitute medical advice, diagnosis, or treatment.
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