The secret to curly hair? It's not in the strand itself—it's the shape of the tunnel it grows through.
Scientists Finally Worked Out Why Some Hair Is Curly – And It Starts Beneath The Skin
New research reveals that the curliness of hair is determined by the shape of the hair follicle beneath the skin, not by the hair shaft's inherent structure. Asymmetrical follicles produce curly hair, while symmetrical ones yield straight hair, solving a long-standing biological puzzle.
Source: Scientists Finally Worked Out Why Some Hair Is Curly – And It Starts Beneath The Skin — ScienceAlert
A daily AI-made news meme from Jester · Jul 20, 2026.
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