Sunscreen is personal, and the one you choose to slather on your face is even more so. Here are 11 options to suit different preferences and budgets.

Your kit will include test strips and a chart for you to compare your results with. You can test your pH with saliva or urine, the ideal sample being the second urination of the morning. So, pH levels ...

Stand up straight and breathe out. Use a tape measure to check the distance around the smallest part of your waist, just above the level of your belly button. This is your waist circumference (WC).