Acne Medication Market Size By Formulation (Topical, Oral), By Product (Retinoids, Antibiotics, Salicylic Acid, Benzoyl Peroxide, Azelaic Acid), By Type (Prescription, OTC), By Acne Type (Inflammatory Acne, Non-Inflammatory Acne), By Distribution Channel (Retail Stores, Pharmacies & Drug Stores, E-commerce), COVID-19 Impact Analysis, Regional Outlook, Growth Potential, Price Trends, Competitive Market Share & Forecast, 2021 – 2027