1. Cosmetic store: Cosmetic stores generally have various cosmetic tools, including ear patches, to help remove makeup or make up.
2. Personal care stores: Earplugs are usually sold in personal care stores because they can be used to clean ears and are essential items for personal health care.
3. Pharmacy: Earplugs can also be found in pharmacies, because they can be used to clean ears and are one of the health care products.