Shampoo bars are soap, specifically formulated for hair.
All additives are aimed at nourishing your hair and the bar is formulated for extra thick lather to help you wash out dirt and oils. And as an added bonus, a shampoo bar does not require plastic bottles that could end up in a landfill.
Here’s an article we wrote explaining the difference between shampoo bars and commercial shampoo detergents. You might be shocked to learn what’s really in commercial shampoo.