Occasionally gels are called "shellac," but The 2 aren’t automatically interchangeable. Shellac is actually a trademark of CND, the creators of gel technologies. Consider it a tiny bit like “jacuzzi” and “warm tub,” the previous referring to a trademark manufacturer name along with the latter to some form of merchandise. https://rotatesites.com/story19218961/little-known-facts-about-gel-remover