Why does no two heads of hair behave the same way, even with the same products?
Hair is not a beauty product; it is biology. Every strand is a thread of protein made by a follicle, wrapped in a
cuticle of oil, and shaped by the genes of a particular corner of the world. Hair from East Asia, Europe, and
sub-Saharan Africa are not three styles but three different biological structures, with different chemistries,
vulnerabilities, and needs.
For thirty years the dominant framework has been a 1990s stylist's chart of fourteen
categories with no underlying biology and no published evidence base used anyway by almost every brand you
have heard of. Calm, rigorous, and written for the way real people live with their hair, Rooted is the book your
hairdresser, your dermatologist, and the back of your shampoo bottle should have given you years ago.
Inside this book, you will learn: