The Hair (Finnish: Karvat) is a 1974 Finnish erotic dark comedy thriller film written, produced and directed by . It was loosely based on Lionel White's 1962 suspense novel Obsession, like Jean-Luc Godard's 1965 French film Pierrot le Fou. It tells the story of a middle-aged man who becomes deeply involved with the affairs and criminal connections of a mysterious girl. The main roles are played by Mikko Majanlahti and dancer Arja Virtanen, of which The Hair was the actress's only film. Virtanen's voice has been replaced by the voice of actress Tiia Louste.