We debated this a lot. A. Lot. It came down to safety. Glass breaks. Many of our products are going to be used in the bathroom. People asked us for plastic for safety.
It is worth noting that we need to use glass to preserve the efficacy of some of our products. We use break-resistant, double-walled amber glass rollerball vials to protect our essential oil blends. We also use amber glass with a dropper seal to protect the antioxidant-rich ingredients in our Glow Serum™