Shampoo Market Size, Share & Industry Analysis, By Product (Medicated/Special-Purpose and Non-medicated/Regular), By Form (Liquid, Solid, and Others), By Application (Household and Commercial), By Distribution Channel (Hypermarkets/Supermarkets, Convenience Stores, Online Stores, and Others), By Manufacturers (Private Label, Toll Manufacturing, and Multinational), and Regional Forecast, 2026-2034