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.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
2 citations
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January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” This review discusses the effects of chemical hair straighteners and reports associated side effects like scalp inflammation and hair damage, noting the variability of findings and the need for further research.
Hair Botox makes hair look healthier and fuller.