Answer
When purchasing health products, it's respectful to greet the shopkeeper politely and engage in a brief conversation about the products. This shows appreciation for their expertise.
• Many local shops pride themselves on their herbal knowledge, so don't hesitate to ask questions about how to use the products effectively.
• Also, be aware that some products may contain ingredients that are unfamiliar to you, so always inquire about potential allergens or side effects, especially if you have specific health concerns.
Practical Chiang Mai planning note: Choose by location, dietary needs, hygiene, atmosphere and the time you plan to visit rather than relying on a single "best" list. Menus, opening days and stall locations change, especially at markets and seasonal venues.