@nexxushaircare
Nexxus Hair CareHealthy hair starts with understanding it. Welcome to Hair Science 101, a new series where we're breaking down the science behind stronger, healthier-looking hair. First lesson: your hair is made of protein. It's the building block behind every strand, which is why protein plays such an important role in helping repair signs of damage. Class is in session.
On the profile · Jul 20, 2026