#Japan #Tokyo #王子製薬 #Tokyo Marathon #Seika Zen

Seika Zen's Exclusive Hot Spring Shuttle Service for Tokyo Marathon 2026 Finishers

In a unique initiative aimed at enhancing the marathon experience, Seika Zen, a renowned hair care brand produced by Oji Pharmaceutical Co., Ltd., is offering a special shuttle service to a hot spring facility called "Niwano Yu" for runners completing the Tokyo Marathon 2026. This service will be available on March 1, 2026—the same day as the marathon.

Campaign Overview

The initiative is designed to alleviate the burdens faced by marathon finishers and provide them with a serene environment to relax and enjoy after a long run. In conjunction with the shuttle service, 50 lucky participants will also have the chance to win a year's supply of Seika Zen shampoo and conditioner, with 12 bottles of each product up for grabs.

Shuttle Service Details

• - Date: March 1, 2026
• - Who is eligible: Participants who finish the Tokyo Marathon 2026
• - How to apply:

1. Follow the official Seika Zen Instagram account @zenshampoo.jp
2. Fill in the entry form linked in the Instagram profile
3. Comment on the campaign post about your goals for the Tokyo Marathon 2026 to increase your chances of winning.

Important Dates

• - Entry Period: February 10 - February 23, 2026

Winning participants will be contacted via Direct Message (DM) on Instagram to confirm their eligibility and provide further instructions for the shuttle service.

On Marathon Day

• - Finishers must present their marathon medal and the DM confirming their win at the Seika Zen shuttle reception.
• - Participants will then be transported to Niwano Yu hot spring for a rejuvenating experience before returning home.
• - Further details about the meeting location and timings will also be sent to the winners via Instagram DM.

Collaboration with Popular Hot Spring Facilities

In addition to the marathon initiative, Seika Zen is currently collaborating with eight popular hot spring facilities in the Kanto region. At these venues, visitors can try Out Seika Zen shampoo and conditioner for free and enjoy special promotions for those following the official Instagram account.

Participating Facilities

1. Soka Health Center (Dec 29, 2025 - Feb 9, 2026)
2. Thermal YU Nishiazabu (Jan 14 - Feb 17, 2026)
3. Yamano Yu (Jan 27 - Feb 26, 2026)
4. Komatsuyu (Feb 3 - Mar 9, 2026)
5. Sauna & Capsule Hotel Hokuou (Feb 4 - Mar 3, 2026)
6. Sugamo Yu (Feb 4 - Mar 3, 2026)
7. Kairyuu Yu (Feb 8 - Feb 27, 2026)
8. Niwano Yu (Feb 12 - Mar 18, 2026)

Please note that operational hours may vary by facility, so it is advisable for guests to check official information before visiting.

What is Seika Zen?

Seika Zen is a premium hair care line featuring a deep cleansing formula designed to promote beautiful, healthy hair and scalp. It artfully combines traditional Japanese herbal ingredients with modern technology to ensure cleanliness while retaining essential moisture.

Unique Features of Seika Zen Products

• - Refreshing Cleanliness: The formula adequately cleanses while preserving moisture.
• - Gentle on Sensitive Scalps: Designed for daily use without irritation. (Patch-tested but does not guarantee no reactions for all users.)
• - Delightful Fragrance: A fresh, invigorating scent inspired by green leaves and Japanese herbs, enhancing the overall experience.

Ideal for those seeking an elevated hair care experience, Seika Zen provides a luxurious cleansing process that restores vitality and shine to hair. The products are available at a price of 2,398 yen each (400ml for both shampoo and conditioner).

About Oji Pharmaceutical Co., Ltd.

Oji Pharmaceutical believes in beauty that resonates before being noticed. The company prides itself on intertwining aesthetics into packaging design, product formation, and scent, catering to emotional experiences.

With its philosophy, “To offer beauty through fragrance,” Oji Pharmaceutical fosters a lasting impression and contributes to the beauty of everyday life. Learn more at the official site: Oji Pharmaceutical.