How does Goo Gone work?

Goo Gone is an oil-based solvent mostly comprised of hydrotreated light petroleum distillates. Goo Gone also contains D-limonene, which is a naturally occurring hydrocarbon found in various citrus fruits like lemons, oranges, limes, and grapefruits. Along with a small amount of orange extract, the petroleum distillates and D-limonene work to break down the bonds of the targeted sticky residue, leaving only a byproduct that can be wiped away easily.

Why are the insides of chip bags shiny?

When you open a chip bag, you'll likely notice that the inside is shiny and foil-like. This shiny material is a metallized polymer layer that is usually coated with aluminum. The metallized layer serves as an effective air and moisture barrier, playing a large role in extending the product's shelf life. The layer thus serves primarily to better preserve the chips inside.