BB.THICKENING VOLUME SHAMPOO 8.5OZ. Benefits: Volume. Prevents breakage. Adds shine. Lightweight. Hydrates. Softens. Non-stripping. Color-safe. Cleans hair. Formulated without parabens, formaldehydes, phthalates, and mineral oil. Ideal for Fine to Medium hair types seeking a lightweight volumizing shampoo.. Key Ingredients: Formulated with Panthenol (Pro-Vitamin B5), this shampoo adds moisture and promotes healthy-looking hair.. When used with other volumizing products like Thickening Volume Conditioner, this cleansing routine plumps strands for a thicker, fuller look.. Research Results: When Bumble and bumble's Thickening Volume Shampoo is used with the Thickening Volume Conditioner, this washday duo gives:. Instantly thicker hair. 2x less breakage*. *vs. untreated hair. **vs. unwashed hair.