Global Pet Shampoo Market Size, Share & Demand Report By Product Type (Medicated Shampoo, Non-Medicated Shampoo, Conditioning Shampoo (2-in-1), Waterless/Dry Shampoo, Hypoallergenic Shampoo, Organic/Natural Shampoo), By Pet Type (Dogs, Cats, Small Mammals, Others), By Distribution Channel (Online Retail, Pet Specialty Stores, Veterinary Clinics & Hospitals, Supermarkets/Hypermarkets, Grooming Salons), By Price Range (Economy, Mid-Range, Premium, Super-Premium) By Region & Segment Forecasts, 2026–2031