FMI analysis suggests that the future growth of the dry-format hair cleansers market will no longer be tied to liquid shampoo replacement alone, but to dermatology-led scalp treatment adoption. FMI views this market as shifting toward low-frequency, high-efficacy therapeutic cleansing, where microbiome science in emerging markets and anhydrous formulation demand in mature markets redefine hair washing as a treatment ritual rather than a daily cosmetic habit.