All sunscreens list a sun protection factor (SPF) on their labels, and in recent years, these numbers have climbed as high as 100, prompting many to question exactly what they mean.
Here’s the lowdown so you're ready for summer.
Also read: Family sunscreen safety>
A version of this article appeared in our June 2013 issue with the headline "Family suncare essentials," pp. 36-38.
Stay in touch
Subscribe to Today's Parent's daily newsletter for our best parenting news, tips, essays and recipes.