If you have a collection of shampoo bottles lining your shower walls ... All of our options are formulated for a range of ...

This bar was a clear favorite among panelists with all hair types and thicknesses ... amount of product to about two 8-ounce bottles of liquid shampoo. But we can’t independently quantify ...

The BIOLAGE Thickening Shampoo, which works for all hair types, aims to remove impurities ... It’s also vegan, cruelty-free, and comes in a bottle made from recycled materials.

“It is important to consider your hair type when choosing a shampoo ... And because you can use this shampoo so sparingly, a single bottle might last you an entire year.