Glitter is festive and fun—a favorite for decorations, makeup and art projects. But while it may look harmless, beautiful ...

Overall, we think the LINC Shine Glitter Gel Pens are a great choice for anyone looking to add some sparkle to their writing or artwork. With a wide range of colors and a comfortable grip ...

But while it may look harmless, beautiful even, glitter's sparkle hides a darker side ... party decorations and clothing. It is shiny, colourful and durable – and extremely tiny.

So, the next time you see glitter on a birthday card or in a makeup palette, remember this: it might look like harmless sparkle, but in the ocean, it behaves more like a flashy chemical troublemaker.