Tattoos can be a costly and time-consuming investment, especially if you want them to stay crisp and vibrant for as long as possible. A quality sunscreen for your tattoo is one of the best ways to keep it looking fresh and, according to experts, an absolute necessity too. I spoke with two dermatologists and a tattoo artist to find out more about the best sunscreens for tattoos, including why they’re important and when to use them. I also compiled a list of their recommendations for you to shop.