Arnco Dallas Biotin Thickening Shampoo is a game-changer for those seeking big, beautiful, and bouncy hair. Jess, the reviewer, was impressed by the product's packaging, which is always incredible from Arnco. The size of the shampoo bottle is generous, although Jess, with her abundant hair, worries about running through it quickly. However, she is excited to gift it to her mom and see her try it out. Overall, Arnco Dallas Thickening Shampoo seems promising, with its potential to add volume and thickness to the hair. It's a product worth considering for those looking to achieve luscious locks.
