Laundry Detergent Component May Weaken Skin Barrier, Potentially Contributing to Skin Conditions
Recent research conducted by Arturo O. Rinaldi and a team at the Swiss Institute of Allergy and Asthma Research (SIAF) has unveiled a concerning link between laundry detergents and their impact on the skin's protective barrier. The study suggests that the sodium dodecyl sulfate (SDS) component in laundry detergents may compromise the skin's integrity and potentially contribute to the development of atopic conditions.
This study was published in Allergy. The investigation involved the use of C57BL/6 mice, which were exposed to two common household laundry detergents, denoted as detergents A and B, at varying dilutions (1:100, 1:1000, and 1:10,000 with phosphate-buffered saline [PBS]). These detergents were applied via a skin patch for 4 hours. Notably, the exposure resulted in a marked reduction in electric impedance and increased transepidermal water loss (TEWL), indicating a weakening of the skin barrier.
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