An Analytical Framework for the Selective Extraction and Determination of Nine Multiclass Endocrine-Disrupting Chemicals from Haircare Products

June 2025 in “ Cosmetics ”

Ilaria Neri, Ritamaria Di Lorenzo, Giacomo Russo, Teresa Di Serio, Lucia Grumetto, Sonia Laneri

endocrine-disrupting chemicals parabens bis(2-ethylhexyl) phthalate dibutyl phthalate chromatographic method endocrine disruptors DEHP DBP

TLDR Haircare products may expose users to harmful chemicals despite regulations.

This study developed a chromatographic method to assess the presence of nine endocrine-disrupting chemicals in haircare products, analyzing 26 samples. The method demonstrated accuracy with analyte recovery between 66% and 87%. While parabens were within legal limits, bis(2-ethylhexyl) phthalate (DEHP) was found in 2 samples, and dibutyl phthalate (DBP) was detected in all 26 samples, with concentrations from 151.01 μg/100 g to 1042.58 μg/100 g. Despite EU regulations, the study highlights the risk of chronic exposure to endocrine disruptors through repeated use of haircare products.

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