Global Humectant Market Size, Share & Demand Report By Product Type (Glycerol (Glycerin), Sorbitol, Propylene Glycol, Polyethylene Glycol (PEG), Hyaluronic Acid, Urea, Others), By Application (Personal Care & Cosmetics, Food & Beverages, Pharmaceuticals, Tobacco, Industrial Applications), By End-Use Industry (FMCG Manufacturers, Pharmaceutical Manufacturers, Industrial Chemical Manufacturers, Nutraceutical & Specialty Manufacturers), By Form (Liquid, Powder/Crystalline, Gel), By Source (Natural/Bio-Based, Synthetic), By Region & Segment Forecasts, 2026–2031