Global Hyperpigmentation Treatment Market By Type (Pharmacological Therapy, Laser Treatment, Chemical Peels and Bleach, Microdermabrasion, and Skin Grafting/Plastic Surgery), By Application (Skin Clinics, Drug and Cosmetic Stores, and Hypermarkets and Supermarkets), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028