The use of the hotel's aroma diffuser has gradually become popular in major star hotels around the world. When the customer walks into the hotel lobby, a fresh and elegant fragrance will come. Nowadays, the hotel's scented smell has become an invisible business card for major star hotels, and it has also established the hotel brand while enhancing the customer experience.

The concept of introducing space aroma in the hospitality industry stems from hotels in Las Vegas. Ten years ago, Las Vegas hotel tycoon Steve Wayne introduced a signature scent in his mirage hotel, which spreads the aroma of the hotel into the hotel lobby through the hotel's central air conditioning system. The experience attracted many visitors from afar. A few years later, the Westin Hotel, the Royalton Hotel in Johor and the Morgans Hotel Group began to scent their hotel brands. The hotel's central air-conditioning system delivers aromas to public areas such as the lobby and corridors, injecting a touch of scent into the lobby, creating an unforgettable experience that guests can smell, hear and feel.

According to the research data, the fragrance, memory, and emotion are all derived from the same part of the brain to deal with the feeling, so the fragrance can directly affect the human emotion, and the human brain will produce the taste memory, thus in the brain of the consumer. Create links to fragrances and brands.

Some of the hotel chains at Westin Hotels & Resorts have created a signature scent, and the white tea aroma has spawned a range of retail products that appear as part of the campaign in the perfume band; Omni Hotels injects lemongrass and green tea to its lobby Each hotel has a unique aroma.

“The future of the hotel brand is no logo, no advertising blasts, but I can feel that I am there,” said Martin Lindstrom, the owner of the hotel brand awareness, who explored the relationship between the hotel's aroma scent and sensory brand.