White Essence, offering services like teeth whitening and cleaning at affiliated dental clinics nationwide, opens 5 new clinics in March 2026

White Essence Co., Ltd. (Representative Director and President: Yusa Iriyama, Location: Shibuya-ku, Tokyo, hereinafter "White Essence"), which provides services such as teeth whitening and cleaning*1 at affiliated dental clinics nationwide, announces the opening of 5 new White Essence affiliated dental clinics in March 2026.

White Essence's services were born from the voices of customers concerned about the color and yellowness of their teeth. Since then, we have partnered with dental clinics nationwide and are committed to providing safe and secure services so that customers can receive treatments with confidence and experience their effectiveness. We have undertaken various initiatives, including research and development of whitening materials and irradiation devices, obtaining medical device approval for whitening materials, developing and improving the quality of menus and services, and staff training.

As of the end of September 2025, White Essence's case achievements for whitening and cleaning have exceeded 4.35 million cases*2. The growth in White Essence's case achievements is supported by affiliated dental clinics nationwide who endorse White Essence's philosophy.

In March 2026, the following five new White Essence affiliated dental clinics opened:

White Essence New Affiliated Clinic List (March 2026)

| Area | Director/Clinic Name | Address | |---|---|---| | Namba (Osaka) | Kensaku Nomoto | Nikoniko Dental Clinic Namba, 6F Sanshin Building, 1-2 Namba 4-chome, Chuo-ku, Osaka 542-0076 | | Araijuku (Saitama) | Shinsuke Tanaka | Aster Dental Clinic Araijuku Ekimae, 95-4 Oaza Araijuku, Kawaguchi City, Saitama 333-0826 | | Shonandai (Kanagawa) | Rihako Harano | Akari Dental Clinic, Stella Building Shonandai 1F/2F, 5-5-9 Shonandai, Fujisawa City, Kanagawa 252-0804 | | Kamagaya (Chiba) | Satoko Nagahama | Nagahama Dental Clinic, 3-3-59 Maruyama, Kamagaya City, Chiba 273-0103 | | Tokiwadaira (Chiba) | Hitoshi Fujiwara | Fujiwara Dental Clinic, Clinic Mall Tokiwadaira, 3F Seven Town Tokiwadaira Store, 3-10-1 Tokiwadaira, Matsudo City, Chiba 270-2261 |

For clinic details and reservations, please check here: https://www.whiteessence.com/clinic/

Moving forward, White Essence will continue to pursue high quality and value in whitening and cleaning, based on the long-term perspective that "teeth support lifelong health," and strive to provide "impressive whitening" that satisfies even more customers.

*1 <About Cleaning> Content: Tartar removal (scaling), flossing, PMTC, tongue cleaning, etc. / Cost (self-pay): 9,900 yen to 48,800 yen (tax included) / Duration, frequency: Usually 1 day, 1 session (varies depending on content) / Side effects/risks: Those with sensitive teeth may feel stimulation. <About Whitening> Content: Whitens teeth using a combination of whitening material and a dedicated whitening irradiator. / Cost (self-pay): 19,900 yen to 118,800 yen (tax included) / Duration, frequency: (In-office) 3-6 months, 2-5 sessions; (At-home) 1-2 months, once a day during the period / Side effects/risks: There are individual differences, but teeth may feel sensitive during or after the procedure. *2 Number of whitening cases: 2,360,930 cases, Number of cleaning cases: 1,997,187 cases / Total achievements from April 1, 2005, when case counting began accurately, to September 30, 2025.

White Essence Co., Ltd. Overview

Head Office Location: Shibuya South Tokyu Building 11F, 3-12-18 Shibuya, Shibuya-ku, Tokyo Company Establishment: October 7, 2003 Representative Director and President: Yusa Iriyama URL: https://www.whiteessence.com/

White Essence Co., Ltd. was founded in 2003, incorporating the comfort of aesthetics into the technical capabilities of medical institutions. Based on the technical capabilities of medical institutions and a large number of case achievements totaling 4.35 million*1, it operates 337 franchise clinics nationwide*2, where customers can receive treatments with a focus on quality. The main features of the services provided by White Essence affiliated clinics include a wide range of menus to enhance smiles, treatments in private rooms that soothe the five senses, high treatment quality, and a full refund guarantee system*3 and mid-term cancellation system to ensure customers receive treatments with trust and satisfaction. For the beauty and health of your teeth and mouth, please leave it to us.

*1: Number of whitening cases: 2,360,930 cases, Number of cleaning cases: 1,997,187 cases / Total achievements from April 1, 2005, when case counting began accurately, to September 30, 2025. *2: As of the end of September 2025. *3: Applicable to first-time White Essence visitors who have no prior experience with whitening (including whitening at other dental clinics). If they do not feel a change in whiteness after experiencing the initial whitening, a full refund will be provided upon request by the next business day.