People with wavy and straight hair have circular follicles that make strands of hair straight. However, Henry said that doesn't mean lice can't attach to curlier hair types like Type 4 hair .

The global haircare industry is projected to generate over $90 billion USD in 2024, according to Statista.com – sixty percent of the world’s population has textured and curly hair – data ...

They analysed data collected from a study of 5000 twins in Australia over a 30-year period. The twins had previously been asked if their hair was straight, wavy or curly and the lab then sought to ...

Electrodes weren’t designed for people with thick, curly hair. A redesign is needed, says engineer Pulkit Grover.