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Exploring the Fusion of Scent and Sound: Marunouchi Street Park 2026 Summer

Promotool Co., Ltd., a leading scent technology company based in Bunkyo, Tokyo, is set to participate as a co-creation partner in the "Marunouchi Street Park 2026 Summer" initiative organized by the Marunouchi Street Park 2026 Executive Committee. This innovative project aims to explore the possibilities of scent in urban environments, particularly through the application of refreshing fragrances designed to coordinate with sound installations.

As urban temperatures escalate, enhancing outdoor comfort has become a pressing challenge. While the use of scent has traditionally been centered in indoor spaces such as hotels and offices, there is a growing interest in utilizing fragrances in outdoor settings such as streets and parks to provide relief from the heat. This project emphasizes the need for empirical verification of how environmental factors—like wind direction, temperature, and pedestrian flow—affect scent distribution and perception.

Through this initiative, Promotool will integrate their extensive experience in scent branding within various settings to the outdoor space of Marunouchi. The collaboration involves creating an environment where visitors can enjoy a refreshing sensory experience characterized by the interplay of sound and aroma. This holistic approach will serve to enhance visitors' psychological comfort and overall experience in the area.

Scent as Environmental Technology

Promotool views fragrance not merely as decorative but as a vital environmental information element influencing perceptions and behaviors. By treating scent as a controllable environmental factor, Promotool aims to tackle social issues related to extreme heat, enhancing comfort, safety, and overall satisfaction of urban spaces. This initiative’s emphases on empirical testing will provide insights into how combined environmental stimuli can influence short-term refreshment and feelings of coolness.

In essence, the goal is to leverage these findings to establish scent as a design element in urban planning, enhancing public spaces to create environments that foster comfort and engagement. By analyzing the interaction effects of scent, sound, and lighting, the study aims to illustrate how multifaceted sensory inputs can improve visitor experiences.

Foundation for Future Urban Environments

The knowledge gained from the Marunouchi initiative will contribute to a foundational understanding of scent applications across urban spaces including streets, parks, public squares, and transit areas. Promotool will further strive to develop scent solutions tailored for outdoor environments, leading to their commercialization and subsequent service provision to businesses and municipalities.

Scheduled to run from July 24 to August 23, 2026, the Marunouchi Street Park 2026 Summer aims to transform public spaces into attractive gathering areas, while promoting a lively urban atmosphere. Currently developed through the "Park Street Tokyo" initiative initiated in 2019, it emphasizes walkable urban development.

Promotool has carved a niche in providing high-quality scent solutions and is recognized for compliance with international safety standards. By exploring scent technology in urban designs, the company is dedicated to creating new spatial values that enhance experiences, especially in the context of contemporary urban challenges.

Visit the official website for the event details: Marunouchi Street Park