Are you sure you read it? She says the ten day thing is to show people some results so they understand that the process actually does something, but that it's not meant as a ten day fix at all. She also says it's important not just to skip gluten for the hell of it, but to see if you're actually getting anything positive out of that and using that knowledge to make an informed decision. I didn't see anything in the article at all that could be considered a beauty tip.
This is health 'lite', with ten day quick fixes, beauty tips and doctors telling otherwise healthy people to 'stay off the gluten'.