It is never too late for sun protection
Even if you have a misspent youth with sunburns in summers on the beach, it is never too late to sun protect.
Sun protection at any age can reduce the rates of development of skin cancers. This is especially important if you have had a previous skin cancer.
Slip - into sun protective clothing, long sleeves, long pants
Slop - on some sunscreen SPF 50+, reapply every 2 hours
Slap - on a hat, wide brimmed to cover the head, ears and neck
Seek Shade
Slide on some sunglasses