They might be related in the sense that in pulp fiction, the concept of 'yuppie scum' could be represented by characters with long hair. Pulp fiction often uses physical features like long hair to mark certain types of characters, and 'yuppie scum' could be one such type.
It could refer to a certain style or sub - culture in the context of pulp fiction. Maybe it's about yuppie - like characters with long hair who are depicted as 'scum' in the pulp fiction world.
In many romantic stories, long hair is often seen as a symbol of beauty and femininity. It can be a key feature that attracts the male protagonist. For example, in some classic fairy tales, the princess with long, flowing hair is often the object of the prince's affection. It gives an air of grace and allure.
One story could be about a girl with long hair who loses her hair in an accident and then has to go on a journey to regain her confidence. Her long hair was like her identity, and without it, she felt lost. Through various encounters, she discovers that her true self doesn't depend on her long hair.
Well, it's a mystery. Maybe it's his real hair styled differently for the movie, or it could be a hair enhancement. There's no definite answer available.