About us

Company Overview

SSP Co., Ltd. is a pharmaceutical company specializing in OTC (over-the-counter) drugs and healthcare products, providing a variety of products to meet health needs for more than 250 years since its establishment in 1765. In 2017, the company became a member of the Sanofi Group, a global healthcare leader headquartered in Paris, France, which operates in more than 100 countries and creates, research, develops, and markets a wide range of medical solutions.
While SSP enjoys broad consumer support through its antipyretic analgesic "EVE," allergy medication " Alesion," L-cysteine vitamin " Hythiol," and sleep-improving drug " Drewell," the company will continue to contribute to improving people's health and quality of life through the development of high value-added pharmaceuticals such as "Switch OTC drugs" and the promotion of self-medication. For more information on SSP, please visit https://www.ssp.co.jp/.



  • Top market share in the categories of antipyretic analgesics*1, oral rhinitis drugs*1, and hypnotic sedatives*2 in Japan
  • First to market ibuprofen (an ingredient used as an antipyretic and analgesic), L-cysteine (a type of amino acid that normalizes turnover) and epinastine hydrochloride (a second-generation antihistamine ingredient) as OTC drugs in Japan
  • Track record of original developments, including the "Quick Action Formulation*3 ", a proprietary formulation that is fast-acting for headaches, and OTC sleep-improving drugs*4 that utilize ingredients that induce drowsiness

*1 Intege SRI+ Antipyretic analgesic market and rhinitis treatment "Rhinitis agent" market, respectively July 2022 - June 2023 Value Share
*2 Intege SRI+ Hypnotic sedatives market Dec. 2021-Jun. 2023 Value Share
*3 A proprietary manufacturing method of SSP that stably combines the analgesic ingredient ibuprofen with magnesium oxide, which speeds up the absorption of the analgesic ingredient, to achieve rapid elution and absorption of ibuprofen.
*4 The first OTC sleep-improving drug in Japan, focusing on the fact that antihistamine (diphenhydramine hydrochloride) suppresses allergic effects but also induces drowsiness.

Company information

Company name SSP Co., Ltd.
Headquarters Tokyo Opera City Tower, 3-20-2 Nishi-Shinjuku,
Shinjuku-ku, Tokyo 163-1488
President Nikhilesh Kalra
Business Manufacture and sale of OTC dugs, food products, etc.
Founding 1765
Establishment 1927
Shareholder Sanofi KK(100%)
TEL +81-3-6301-4511

Access to headquarters

Traffic access

Keio New Line: 1 minute walk from Hatsudai Station Inside Tokyo Opera City Tower

List of Offices and Plants