Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8539782 | Toxicology Reports | 2016 | 26 Pages |
Abstract
The concentrations of nine metals, namely, cadmium (Cd), lead (Pb), chromium (Cr), copper (Cu), cobalt (Co), nickel (Ni), manganese (Mn), zinc (Zn), and iron (Fe), were determined in 26 brands of hair care products including hair relaxers, conditioners and shampoos. The study was aimed at providing information on the possible risks arising from heavy metals associated with the use of these products. The concentrations of the metals were determined by means of atomic absorption spectrophotometry after digestion of the samples with a mixture of acids. The concentrations of the respective metals in hair relaxers, shampoos and conditioners were found to be 0.8-2.5, 0.6-3.0,
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Authors
Chukwujindu M.A. Iwegbue, Omotekoro S. Emakunu, Grace Obi, Godwin E. Nwajei, Bice S. Martincigh,