Effects of three zinc-containing sunscreens on development of purple sea urchin (Strongylocentrotus purpuratus) embryos.

•Zinc-sunscreens interfere with sea urchin skeletal formation and axial development.•Zinc-sunscreens are internalized by sea urchin embryos in a dose-dependent manner.•Exposure to sunscreens reduces sea urchin multidrug-resistant transporter activity.