Purehill Aqua sunscreen is an excellent choice since it contains a unique blend of chemicals that give high UV protection, including Titanium Dioxide, Ethylhexyl Methoxycinnamate, and Benzophenone-3. One of the main reasons why you should use Aqua gel sunscreen every day is because it helps prevent skin cancer. You should know that there are multiple types of skin cancer, as well as different causes, such as genetic factors.