Sometimes gels are called "shellac," but the two aren’t essentially interchangeable. Shellac can be a trademark of CND, the creators of gel know-how. Visualize it a tad like “jacuzzi” and “very hot tub,” the former referring to your trademark brand name title and the latter to some style of solution. https://daveb912uiv1.verybigblog.com/29308028/the-basic-principles-of-nail-gel-remover