After Judy dyes her hair blonde, Scottie is still not satisfied because she has not styled her hair in the neat bun that Madeleine wore. He insists she put her hair up, demonstrating his desire to transform Judy into his idealized version of Madeleine. Judy allows herself to be controlled by Scottie in this way in order to gain his love. The scene illustrates Scottie's obsessive need to recreate Madeleine and Judy's willingness to become the object of his desires.