Broad-spectrum protection is crucial because it shields the skin from both UVA and UVB rays. UVA rays can prematurely age the skin, while UVB rays can cause sunburn and contribute to skin cancer. A broad-spectrum sunscreen helps protect against both types of damage. Aqua gel sunscreens are generally suitable for most skin types, including sensitive and oily skin. It is recommended to apply sunscreen at least 15 minutes before sun exposure and reapply every two hours or more frequently if swimming, sweating, or wiping your face. Uvicoz aqua gel sunscreen is formulated to be hydrating and can potentially serve as a moisturizer for those with normal or oily skin. However, people with dry skin may need an additional moisturizer before applying sunscreen. Yes, Uvicoz aqua gel sunscreen is suitable for use under makeup. The lightweight and quick-absorbing texture make them a good option as a makeup base.