There were 4 staff members in the store. There was no pharmacist. The staff member who served did not wear a name badge. The staff member was a female. She showed Watson's facial masks at the product shelf and explained the benefits and features of the product which could reduce wrinkles because of potato ingredient. The staff member was polite and warm. The cashier was Jittima. She did not ask for membership card before payment. She said the amount of payment and changes, handed the receipt and said 'thank you'.