What exactly is a chemical filter, and how does it affect an individual's hormone levels?

Chemical filters are active ingredients in sunscreens that absorb UV radiation, converting it into heat, which is then released from the skin. These filters differ from mineral filters, which physically block and scatter UV rays. Common chemical filters include oxybenzone, avobenzone, octisalate, octocrylene, homosalate, and octinoxate.

Among these, oxybenzone has raised concerns due to its potential to cause allergic skin reactions and its weak estrogenic activity, which may affect hormone levels. Additionally, it exhibits significant anti-androgenic effects. However, it's important to note that NEODERMA sunscreens are formulated to be oxybenzone-free, mitigating these concerns while still providing effective sun protection.