Sun exposure is the most common cause of skin ageing in New Zealand. So now Summer is well and truly here, its time to think about how we can be more vigilant with our sun protection. It is important to be aware that sunscreens are not 100% effective and we can’t rely solely on them. An SPF rating is only a measure of the protection a sun screen offers from UVB rays. UVB rays are the burning rays that make you go red when you spend too much time in the sun. There is no SPF measure for how effectively a sunscreen will protect you from UVA rays. UVA[...]