How do Sun Blocking Products Work?

There are many brands of sunblocks that work in different ways. The most popular is with the use of an organic compound such as oxybenzone that absorbs ultraviolet rays. Although somewhat less used, opaque materials can reflect light causing less radiation to reach your skin.

Most products use a combination of both techniques signaled above to block UVB and UVA rays. The most effective ingredients are the ones that block and reflect at the same time. Good sun block products include usually include one or more of the following ingredients: Dioxybenzone, Oxybenzone and Titanium Dioxide.