Extensions de cheveux — risques chimiques
Hair extensions, wigs, weaves, or simply clip-in strands are highly popular among women for enhancing their appearance. These extensions are worn in various styles and for extended periods by some women who wear them constantly. However, this trend may conceal an invisible risk, according to experts.
As reported by BBC Africa, researchers have just sounded the alarm. After analyzing samples of human and synthetic hair extensions used by millions of women worldwide, they identified nearly 50 concerning chemical substances. All but two samples were affected.
An Unsuspected Chemical Cocktail
Among the detected compounds are flame retardants, pesticide residues, and phthalates. The latter are known endocrine disruptors, linked to fertility issues in both men and women. Even more alarming, several of these substances are classified as potentially carcinogenic and could increase the risk of breast cancer.
Contrary to common belief, so-called 'virgin' or 'natural' hair extensions are not exempt. Chemical treatments occur during the conditioning of the strands: disinfection, dyeing, softening, and setting the shape. It is at this stage that the products penetrate the hair fiber.
Three Pathways of Daily Exposure
Once applied, these extensions are not inert. The substances can migrate into the body in three ways, notably through inhalation when heat from styling tools or hair dryers volatilizes the compounds. Migration also occurs through skin contact on the scalp, neck, and forehead.
Contamination happens through prolonged contact (day and night), promoting slow but continuous absorption of the products.
It is also important to note that the term 'virgin' hair guarantees the absence of dye, not the absence of chemicals.
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