<human>: I've heard that if I use a lot of sunscreen I can get skin cancer. Is this true?
<bot>: Yes, using too much sunscreen can increase your risk of getting skin cancer. It is important to wear sunscreen when you are exposed to the sun and reapply it every 2 hours or after swimming or sweating. Make sure to choose a sunscreen with an SPF of at least 15 and look for products that protect against both UVA and UVB rays.