I have very white skin. I used to start to burn within 15 minutes of being outside and I love to garden. Then I made a total change of diet and added some super nutrients. I was shocked to realize that I quit burning so much. It took being outside for hours for me to burn. That is just personal experience. I no longer use any sunscreen, but if I am going to be outside for long. I wear a loose long sleeve, thin fabric shirt, a hat, and I rarely wear shorts. I had clients who came from California tell me that Vitamin C helps prevent sunburn. I also rarely use mosquito repellent. Mosquito coils work well for the most part. Whatever you put on your skin goes into your bloodstream within seconds. Choose wisely.