Ekusute (2007)

Ekusute begins in bloody, unsettling fashion with the discovery of the body of a young girl, whose organs have been harvested and hair shaven to make extensions. The corpse ends up in the hands of morgue watchman and hair fetishist Yamazaki (Osugi Ren), who excitedly discovers that the girl's hair is still growing. He uses her long and silky hair to make extensions, which he sells to customers who invariably turn up dead, strangled by their own hair. When Yamazaki meets flighty aspiring hairstylist Yuko (Kuriyama Chiaki), he immediately becomes mesmerized by her beautiful hair, and presents her with a gift of hair extensions.