3 years ago

The Assessment of Toxic Metals in Plants Used in Cosmetics and Cosmetology.

Jerzy Stojko, Barbara Brodziak-Dopierała, Agnieszka Fischer, Krzysztof Loska
Heavy metals polluting the natural environment are absorbed by plants. The use of herbs as components of cosmetics may pose a health risk for humans. The aim of the study was to determine the concentrations of Pb, Cd and Hg in selected species of herbs (horsetail Equisetum arvense, nettle Urtica dioica, St. John's wort Hypericum perforatum, wormwood Artemisia absinthium, yarrow Achillea millefolium, cottonwood Solidago virgaurea) self-collected from the natural environment in two different locations, and purchased in stores on the territory of Poland. The concentration of the metals studied was: 4.67-23.8 mg/kg Pb, 0.01-1.51 mg/kg Cd, 0.005-0.028 mg/kg Hg. Different concentrations of metals, depending on species and origin of plants, were found. The mean concentration of all studied metals was the lowest in St. John's wort, and the highest in nettle. In herbs purchased in Polish stores, the concentration of Pb was higher than in plants self-collected in the natural environment.

Publisher URL: http://doi.org/10.3390/ijerph14101280

DOI: 10.3390/ijerph14101280

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