A recent study by researchers from Purdue University has raised concerns about the inhalation of potentially harmful chemicals present in common hair care products. Siloxanes, a chemical compound prevalent in items like hairspray and dry shampoo, have been linked to adverse effects such as lung, nerve, and liver damage in model organisms, prompting the European Union to ban one specific siloxane, decamethylcyclopentasiloxane (D5).
The study involved participants replicating typical hair routines, including curling, straightening, waving, and oiling. Following these routines, researchers measured the detectable amounts of siloxanes in the air. The products tested included various hair creams, serums, lotions, sprays, as well as hair curlers, straighteners, and stylers.
Results revealed that, on average, individuals could inhale up to 17 milligrams of siloxanes during a single hair care session in the absence of an exhaust fan, and eight milligrams with the fan on. The introduction of heat, with temperatures reaching 210 degrees Celsius, led to an increase of up to 310% in these numbers.
Lead author Nusrat Jung, Ph.D., expressed surprise at the findings, stating, “We found the results to be extremely alarming. We did not expect to see such significant emissions of volatile chemical mixtures from off-the-shelf hair care products during typical hair care routines that many people perform each and every day.”
To minimize the risk of inhaling these chemicals, the authors recommend avoiding products containing siloxanes. Typically, D5 is listed as the first or second ingredient on product containers. As awareness grows regarding the potential health implications associated with these chemicals, consumers are encouraged to scrutinize product labels and make informed choices to safeguard their well-being during routine hair care activities.
