Geleration is a soak off nail gel created with the nurture of your natural nail in mind geleration protects your nails while offering problem nails the opportunity to grow naturally gelcolor by opi is an ultraviolet manicure system that allows your nails to stay healthy and strong whilst maintaining a salon shine that can last for weeks gelish from harmony performs like gel and applies like a polish it was the first brush in bottle gel polish ever invented and continues to be the profe