Recently, I received the following question from a reader: Does prolonged use of products like AHAs and BHAs [i.e., exfoliating ingredients] that increase skin cell turnover increase telomere shortening? -G Such an excellent question!  But first, let’s break it down. What is a telomere? A telomere is a piece of DNA at the end of your chromosomes.  It protects the ends of your chromosomes from being lost through DNA replication.  As we age, it has been noted that telomere length naturally shortens.  Decreased length of telomeres... read more