Are nanoparticles in sunscreen safe?

Nanoparticles in sunscreen, such as zinc oxide and titanium dioxide, are generally considered safe for use on the skin. They are effective at blocking harmful UV rays and are often used to create a lightweight feel without leaving a white residue. However, ongoing research continues to examine their long-term effects on health and the environment.

Key points:

  • Nanoparticles provide effective UV protection without visible residue.
  • They are commonly used in both physical and chemical sunscreens.
  • Research is ongoing regarding their long-term safety.
  • Environmental impact is also a concern with nanoparticle use.

This text has been fact-checked for accuracy by medino's clinical team.