I am not sure if anyone has done it yet, but I think it is a good idea to remind all those with white cats who have summer coming up that they should put sun cream on their cats if they are likely to get any sun on them, even lying in an open window. White cats can easily get burned, and can develop skin cancer. I have started it on my three, and I use Nivea for children, factor 30, which is strong but gentle on their skin. They hate it but I line them up each morning and dab a blob of cream on each ear, stroke it in on both sides, inside and out, and finish with a dab on the nose!