irodori Shisei Co., Ltd.

  • Japanese
  • Faq
  • Access
  • Contact

About irodori Shisei

Since our founding, irodori Shisei Co., Ltd. has engaged in the development and manufacturing of cosmetics and quasi-drug products as a partner of manufacturers. Our products, born from extensive experience, creative ideas, and advanced technology, are at the forefront of the times. Leveraging our experience and track record that have earned a high reputation among customers, we have set our sights on becoming the No. 1 company in Asia.


Company Name irodori Shisei Co., Ltd.
Representative Ryoitsu Sasaki, President and Representative Director
Business Description Manufacturing and developing cosmetic products, including professional-use perm solutions, hair coloring agents, shampoos, conditioners, other hair care products, and skin care products
Head Office 961-1 Shimoyasumatsu, Tokorozawa, Saitama 359-0024, Japan
Plant 418-3 Kashiwabara, Sayama, Saitama 350-1335, Japan
Plant Phone +81-4-2900-1000
Founded June 1972
Established May 2012
Capital 80 million yen
Group Companies Sasaki Chemical Co., Ltd.
Osakasasaki Chemical Co., Ltd.
Avance Co., Ltd.
Oriental Chemical Co., Ltd.
Cosmedicure Co., Ltd.
Message from the Representative Director


By public transportation: From “Sayama-shi Eki” station on the Seibu Shinjuku Train Line, take the Seibu Bus to “Sayama Kogyo Danchi” stop, then walk five minutes.


June 1972 Establishes Kyodo Chemical Co., Ltd.
Granted manufacturing licenses for quasi-drugs and cosmetics by the Health and Welfare Ministry
Mar. 1974 Relocates to Tokorozawa, Saitama for expansion of the production plant
Dec. 1977 Changes name to ShiseiChemical Co., Ltd.
Aug. 1995 Expands, adding the second plant
Oct. 2000 Expands, adding the third plant
July 2002 Expands, adding Miyoshi plant
Apr. 2005 Obtains marketing licenses for quasi-drugs and cosmetics
May 2011 Starts building a new plant in Sayama, Saitama
Sept. 2012 Relocates to Sayama plant: production starts at the new plant
Aug. 2017 Builds an annex for raw material weighing operation
Adds a wide eave to the track berth
Sept. 2019 Expands R&D center
Apr. 2021 Merges to become irodori Shisei Co., Ltd.