Our study examined whether very small plastic particles, specifically 20 to 50 nm polystyrene nanoplastics, can enter the body through the skin. Using a 3D human epidermal model and a chronic dermal exposure mouse model, we found that even low cosmetic-like doses activated inflammation and skin-aging pathways, with hundreds of genes altered and clear thinning of the epidermis.

J. Hazard. Mater.2025-11-26

As plastic pollution is regarded as an emerging threat to the respiratory health of living beings, we designed this study to explain the bio-distribution of micro-sized polystyrene and nano-sized polystyrene after inhalation into the lungs. We chose polystyrene because it was one of major components of all the daily-use products and also it was found inside the human lungs proven in a study previously reported.

Part. Fibre Toxicol.2024-02-05