Another ridiculous myth said that It's too late to put on sunscreen
, you're already exposed anyway". It's never too late to start protecting skin from the sun. The cumulative effect of the sun is what's damaging, so by avoiding it, you could halt some of its progress. Furthermore, there is clinical evidence that once you start protecting the skin, it has the ability to repair itself. This repair is not going to happen overnight; it's a gradual process that can take a couple years to yield significant results.