Why is SPF so important?

SPF stands for Sun Protection Factor, commonly known SPF’s are labelled SPF 15, 30 or 50. The number addresses how well the product protects you against sun burn, indicating how long you are able to stay out in the sun or how many times you may need to re-apply the product on the skin throughout the day. There are two kinds of SPF. There is UVA and UVB.