Time-honored Boar Bristle Brush Benefits Since the 1800's, boar bristle brushes have been used to create shiny, healthy hair without styling products. Boar bristle brushes were also a ubiquitous item on dressing tables in the first half of the 20th century. Thanks to a boar bristle brush, Lauren Bacall, Rita Hayworth, Katherine Hepburn and other Silver Screen Sirens were able to obtain their glamorous wavy hairstyles. I've incorporated boar bristle brushing into my hair care routine for the…