We all know that SPF should be a non-negotiable in our skincare routine, to be worn on a daily basis - even if the weather doesn't look like it warrants it. But according to a YouGov survey of 2,081 people in the UK, reports SOS Serum Skincare , 45% don’t apply SPF daily or most days, compared to the 23% that rank it as the most important step. This is because daily UV exposure plays a huge part in premature ageing, contributing to hyperpigmentation as well as long-term skin damage. Although