These are not much different from a bar of soap and will give you an estimated 80 washes — the equivalent of three bottles of liquid shampoo. (treehugger.com)
If you prefer liquid shampoo over shampoo bars, I think you'll love this homemade version. (humblebeeandme.com)
Many positive reviews were submitted for using a bar instead of liquid shampoo. (mysweetpuppy.net)