Nail varnishes, gel for nails, nail care products, sold as one-component or two-component units, namely, nail buffing preparations, nail cream, nail enamel, nail hardeners, nail care preparations, nail polish base coat, nail polish removers, nail polish top coat, nail polish, nail strengtheners, nail glitter, and adhesives for artificial nails, namely, adhesion promoters for nail varnishes and gel for nails