How to do away with post-sun hyperpigmentation?

Post-summer hyperpigmentation is a souvenir you’d rather give up on. Too bad, if you don’t get rid of it early enough, you’re likely to stay with them forever. Luckily, there are easy ways to bid these unwanted souvenirs goodbye. How is hyperpigmentation formed? It’s the result of: regular and long sun exposure without the proper protection; …