Yes, ethidium bromide can be readily absorbed through the skin. Because ethidium bromide can bind with DNA, exposure through skin absorption can be highly hazardous. It’s crucial to avoid direct contact when working with this chemical.
When handling ethidium bromide, skin protective measures include:
Wearing disposable nitrile gloves – double glove offer extra protection when working with high concentrations of EtBr
Wearing long-sleeved lab clothes
Wearing closed-toe shoes
Wearing protective goggles
Washing hands thoroughly after handling this chemical