Detailed Information
Can certain chemicals in sunscreen can be absorbed into the bloodstream?
Yes…Some chemicals in sunscreen can seep into your bloodstream.
Here’s a breakdown of what the research suggests:
Chemical Sunscreens:
- Studies, including those conducted by the FDA, have shown that several common chemical sunscreen ingredients, such as oxybenzone, avobenzone, octocrylene, homosalate, octisalate, and octinoxate, can be absorbed through the skin and detected in the bloodstream even after a single use.
- In some cases, these chemicals have been found to remain in the body for extended periods, even weeks after application stopped.
- The FDA has stated that the fact that these ingredients are absorbed doesn’t automatically mean they are unsafe, but it does warrant further investigation into their potential long-term effects.
Mineral Sunscreens (Zinc Oxide and Titanium Dioxide):
- Non-nano sized particles of zinc oxide and titanium dioxide are generally not believed to penetrate the skin to a significant extent. They primarily work by creating a physical barrier on the skin’s surface that reflects UV rays.
- Nanoparticles of zinc oxide and titanium dioxide are used in some mineral sunscreens to make them more transparent and easier to rub in. Current evidence suggests that the absorption of these nanoparticles through the skin is minimal and does not pose a significant risk. However, research in this area is ongoing.
Important Considerations:
- Absorption does not equal harm: Just because a substance is absorbed into the bloodstream doesn’t automatically mean it will cause negative health effects. The concentration and potential long-term effects are what need further research.
- Sunscreen safety: Despite the absorption of some chemical sunscreen ingredients, the overwhelming consensus among medical and scientific communities is that the benefits of sunscreen in preventing skin cancer and sunburn far outweigh the potential risks.
- Mineral sunscreen alternative: If you are concerned about the absorption of chemical sunscreen ingredients, mineral sunscreens containing non-nano zinc oxide and titanium dioxide are considered a safe and effective alternative.
Some chemicals in sunscreen can seep into your bloodstream. While regulatory bodies like the FDA are calling for more research to understand the implications of this absorption, it’s crucial to continue using sunscreen to protect against the well-established dangers of UV radiation.
