In the mid-2000s, consumers were keen on attaining a specific color and style, no matter the damage from chemicals and heat styling tools. Consumers are willing to switch from the tried-and-true bottle to the bar.    Nowadays, health and wellness are top-of-mind for consumers – hair especially. According to beauty trend tracker Spate, consumers are even willing to switch from the tried-and-true bottle to the bar. In fact, the shampoo bar trend has a predicted growth...