Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
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October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
Low levels of tenuazonic acid can severely damage vital organs.
1 citations
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April 2022 in “F1000Research” Most pediatric cancer patients at Muhimbili National Hospital in Tanzania experienced side effects from chemotherapy, with nausea, hair loss, and low white blood cell count being the most common.
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June 1985 in “PubMed” Ethylenthiourea is toxic to the liver and nervous system, especially with alcohol.
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January 1987 in “Carcinogenesis” TCDD changes skin cell growth and keratin production in mice.
December 2023 in “Kiểm nghiệm và An toàn thực phẩm/Kiểm nghiệm và An toàn thực phẩm (online)” The method detected sex hormones in some health supplements, with one containing banned testosterone.
25 citations
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May 2021 in “Journal of exposure science & environmental epidemiology/Journal of exposure science and environmental epidemiology” Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.
November 2010 in “Clin-Alert” Monitoring for adverse effects in clinical treatments is crucial.
1 citations
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January 2009 in “Elsevier eBooks”