Gamma-Polyglutamic Acid (γ-PGA) is a biopolymer derived from the polymerization of glutamic acid. Known for its biodegradability, non-toxicity, and water solubility, γ-PGA has garnered significant ...

While we can spot a bottle of hyaluronic acid on everyone’s shelf, polyglutamic acid is here to win that space. When you just thought that hyaluronic acid was the ‘it’ ingredient, polyglutamic acid ...

But while the ingredient gets plenty of hype for being a hydration hero, I have to confess I’ve failed to find a hyaluronic acid product that I’ve fallen in love with. Too often I’ve found that ...

While we can't imagine ever parting with our hyaluronic acid serums and creams, every now and then, a new, buzzy ingredient will come along to remind us that perhaps HA isn't the be-all and end-all of ...