If you're going on holiday or enjoying the sun in your garden, you might wonder what SPF means and when you should be ...

If sunscreen has a higher SPF ... If you’re unsure which to buy, Nivea says there are some differences: “SPF 50 provides approximately 98% protection from UVB rays, as opposed to approximately ...

If you're going on holiday or enjoying the sun in your garden, you might wonder what SPF means and when you should be reapplying it.