Chemical Danger in Hair Keratin Care
January 2023
Studysummary 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.
Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
The document discusses the risks associated with hair keratin care treatments, particularly those known as Brazilian blow-dries, which are used to make wavy and curly hair straight and shiny for extended periods. Despite being marketed as safe, these products often contain formaldehyde or its derivatives, which can lead to various health issues. Short-term exposure to formaldehyde can result in symptoms like erythema, itching, burning eyes, and respiratory problems, while long-term exposure has been linked to more severe conditions including contact dermatitis, congenital defects, cytotoxicity in the respiratory tract, and cancer. The document emphasizes the need for increased awareness among professionals and consumers about these risks, and calls for a safety assessment of hairdressing products that considers occupational exposure, not just consumer safety. It also advocates for stricter regulation and inspection of these products and hairdressers in the market.
