The doctors’ ultimate sunscreen guide: As brands FAIL protection tests – how to tell if yours will really protect you, why not all SPF factors are equal and the claims you should NOT trust

Wearing sunscreen can help keep you safe in the sun – it’s a mantra that has been drummed into us for years – but how much can we really rely on it? Wearing sunscreen can help keep you safe in the sun – it’s a mantra that has been drummed into us for years – but how much can we really rely on it?