Sofie. Nail master. Amsterdam. Sofie works with acrylic and solar nail systems as well as gel polish, building durable extensions and crisp, even color for every client. Nail master. Amsterdam. Sofie works with acrylic and solar nail systems as well as gel polish, building durable extensions and crisp, even color for every client. Nail master. Amsterdam. Sofie works with acrylic and solar nail systems as well as gel polish, building durable extensions and crisp, even color for every client.