Bond builders, explained: meet the smartest way to repair hair damage, and how to use them yourself

According to hairdresser Jordanna Cobella, bond builder's main appeal are their ability to increase the hair's elasticity, ...
Knowridge Science Report

Hair is pulled upward by tiny cell motors to grow, study finds

For many years, biology textbooks have explained hair growth in a simple way. They say that new cells form at the bottom of the hair root. As these cells divide and multiply, they push older cells ...