Press plastic wrap directly onto surface of both curds. (epicurious.com)
Place plastic wrap directly on surface of curd to prevent a skin from forming; refrigerate for at least 1 hour or up to 3 days. (marthastewart.com)
Cover surface of curd with a piece of plastic wrap (this prevents a skin from forming on the top) and allow to cool to room temperature. (baked-in.com)