KOSÉ Corporation (Head Office: Chuo-ku, Tokyo, President and Representative Director: Shinji Tanaka) will launch the "Cooling Sekkisei" campaign for its global skincare brand "SEKKISEI." This campaign highlights the refreshing and invigorating sensation experienced when using SEKKISEI products chilled, which is highly popular during the intense summer heat when UV rays accelerate skin damage from dryness. As part of this campaign, from Wednesday, July 1, 2026, to Monday, August 31, 2026, an experiential pop-up event titled "-Experience 'Cooling Sekkisei' POP-UP- SEKKISEI COOLING LOUNGE" will be held at Maison KOSÉ Ginza. This event offers a new sensation in skincare, "Refreshing Whitening with Cooling Sekkisei," allowing visitors to fully immerse themselves in the experience and combat summer damage. Prior to the event, the global brand muses for SEKKISEI, the artist group Number_i (Sho Hirano, Yuta Jinguji, Yuta Kishi), experienced special content related to "Cooling Sekkisei" in an icy world that appeared in early summer Ginza. ■About "SEKKISEI COOLING LOUNGE" "SEKKISEI COOLING LOUNGE" is designed with a beautiful ice world as its motif. Upon entering, visitors are enveloped in cool music and the refreshing scent of SEKKISEI, creating a space where they can fully experience the pleasant sensation of "Cooling Sekkisei" touching hot summer skin. At Maison KOSÉ Ginza, the venue features an "Ice Beauty Bar" on the 2nd floor where visitors can experience "Cooling Sekkisei." Additionally, on the 1st floor, there is a "Freezer Photo Studio" photo spot. The event also includes interactive content such as "My Bottle Atelier," where visitors can design their own lotion bottles, and a rhythm game to learn about the environmental conservation initiative "SAVE the BLUE," offering a multifaceted experience of SEKKISEI. ■Number_i Visits the "Cooling Sekkisei" Experiential Pop-Up! Excited by the "Icy World" Appearing in Ginza, Saying "Feeling the Coolness with My Whole Body is a