The skincare world is full of hero ingredients that do yeoman’s duty in a variety of products, but there's always a "next big thing" ingredient waiting to work its wonders. Hyaluronic acid has been the king of the hill for some time when it comes to moisturizing, but now there's a new contender for the throne.
It’s called polyglutamic acid — PGA for short, and it’s getting a lot of play for one major reason. It’s five times more hydrating than hydraluronic acid (HA), so it’s definitely got a lot to offer, and PGA is starting to turn up in an increasing number of products.
It is, new, though, so there’s a lot to unpack. Specifically, what benefits can you get from PGA? Where is it from, and how is it sourced? Is it easy to add to your skincare routine, or are there some hoops you need to jump through to do that?
Just what is polyglutamic acid?