I recommend this Yankee Candle diffuser that I bought with my own money. It features the "Midsummer Night" scent, which is cool yet refreshing. I think it is a universally appealing fragrance that won't be polarizing. The scent diffusion is excellent and lasts a long time, making it great for use in the kitchen or living room. Since it is available for around 20,000 won, I recommend it to anyone looking for a safe and reliable diffuser.