title: Biobased Nanoparticles for Broadband UV Protection with Photostabilized UV Filters.
abstract: Sunscreens rely on multiple compounds to provide effective and safe protection against UV radiation. UV filters in sunscreens, in particular, provide broadband UV protection but are heavily linked to adverse health effects due to the generation of carcinogenic skin-damaging reactive oxygen species (ROS) upon solar irradiation. Herein, we demonstrate significant reduction in the ROS concentration by encapsulating an antioxidant photostabilizer with multiple UV filters into biobased ethyl cellulose nanoparticles. The developed nanoparticles display complete broadband UV protection and can form transparent and flexible films. This system therefore shows significant potential toward effective and safe nanoparticle-based UV protective coatings.
authors.affiliation: Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University , Princetonplein 1, 3584 CC Utrecht, The Netherlands.
authors.forename: Douglas R
authors.initials: DR
authors.lastname: Hayden
authors.affiliation: Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University , Princetonplein 1, 3584 CC Utrecht, The Netherlands.
authors.forename: Arnout
authors.initials: A
authors.lastname: Imhof
authors.affiliation: Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University , Princetonplein 1, 3584 CC Utrecht, The Netherlands.|Unilever R&D Vlaardingen , Olivier van Noortlaan 120, 3133 AT Vlaardingen, The Netherlands.
authors.forename: Krassimir P
authors.initials: KP
authors.lastname: Velikov
keywords: UV filters; antioxidants; ethyl cellulose; reactive oxygen species; sunscreens