HomeJournal Journal SPF and PA: what the labels say 13 November 20261 min read A plain guide to the numbers. SPF is printed to describe protection against UVB, and the PA plus signs describe UVA protection. Higher numbers are not a reason to skip reapplying. Follow the directions on each pack. Share
Journal07 Nov 20261 min read Why we patch-test everything A 24-hour test on your inner arm. Read more
Journal10 Nov 20261 min read Reading the UV index in Bangladesh What the numbers on a weather app mean. Read more
