For individuals with the tightest curl pattern, commonly known as type 4 hair, the words "for all hair types" on a hair product's packaging can be a disheartening reminder of their exclusion from mainstream hair care narratives.
Despite the natural hair movement gaining momentum in the early 2000s, driven by platforms like YouTube, consumers with type 4 hair continues to be underserved, with their specific concerns and needs overlooked.
The evidence supporting this issue is striking. Our analysis of over 10 million textured hair-specific data points,