Promotool Inc., a scent technology company that scientifically studies and designs all kinds of fragrances, announced that from January 2018 to March 2026, the number of companies adopting its spatial fragrance and scent-based spatial design solutions exceeded 600, while cumulative sales of scent cartridges and related products for spatial presentation surpassed 75,000 units. These results reflect a market trend in which the role of scent in corporate activities is changing significantly, increasingly being positioned as infrastructure for shaping brand experiences. Promotool’s fragrances have been introduced into more than 600 high-end spaces, where they harmonize with visuals and sound to create memorable brand experiences. In recent years, demand for spatial fragrance has expanded rapidly, making scent an essential element in corporate branding and marketing. Among the five senses, smell is especially strongly linked to memory, and in spatial environments it is gaining attention as a factor that influences impressions on the same level as visuals and sound. Adoption is growing across a wide range of sectors, including luxury hotels, high-end spas, brand stores, housing showrooms, premium offices, exhibitions, and medical facilities. Scent is also increasingly used to enhance a sense of cleanliness and reassurance in spaces. Against this backdrop, fragrance is shifting from being an added value for spaces to becoming a prerequisite for spatial design. Scent-based spatial design is expected to improve customer experience and dwell value, strengthen brand recall, increase satisfaction with spaces, and encourage behavioral change. As a result, it is increasingly being adopted as a communication measure. By designing spaces through scent, companies can communicate their brand worldview more deeply and offer visitors a memorable experience. Promotool believes this has made scent an indispensable element of corporate marketing strategies and has contributed to growing d