This review discusses the potential risks of formaldehyde in hair keratin treatments like Brazilian blow-dry, and reports no new clinical results; it emphasizes the need for greater safety assessments including occupational exposure.
40 citations
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June 2013 in “Journal of cosmetic dermatology” This review discusses the widespread use of Brazilian keratin treatments and notes that many contain formaldehyde, marketed as safe despite potential safety concerns, but reports no new clinical results.
December 2000 in “Kirk-Othmer Encyclopedia of Chemical Technology” This paper reviews various aspects of hair care products, including formulations, regulations, categories, and safety, without reporting new clinical findings.
73 citations
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October 2013 in “International Journal of Cosmetic Science” This review examines the chemical composition and potential health risks of hair straighteners, but it reports no new findings and emphasizes the importance of understanding hair fibre structure for safe use.
4 citations
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January 2021 in “Skin appendage disorders” This review discusses hair straightening techniques, products, and safety risks, providing guidance for dermatologists to advise patients effectively; it reports no new clinical results.