Lili Reinhart’s Hair Transformation for The Love Hypothesis Was Both an Art and a Science

By Jesa Marie Calaor

The Many Brunette Hair Colors of Lili Reinhart “Everybody wanted to turn Lili into a brunette,” says Bélanger, but Reinhart didn’t dye her hair for the film. “Olive is not the perfect girl,” he says. “At the beginning, his hair was a bit stiffer,” Bélanger says.