If you’re an avid skincare maker or consumer of small batch, artisan skincare products, I’m guessing that you’ve heard of ultraviolet glass bottles. This is a special type of glass that many natural formulators use to maintain the integrity of their products. Though it’s really violet in color, it appears black, and it’s become the preferred packaging for many of my students and colleagues. Ready for me to say something shocking about how Miron violet glass actually doesn’t work how you think…