Rohto Pharmaceutical Co., Ltd.

ロート製薬株式会社ROHTO Pharmaceutical Co., Ltd.Aliasロ-ト製薬株式会社AliasROHTO Pharmaceutical Company, Ltd.AliasRohto Pharmaceutical Company, Ltd.Alias

Ticker

4527 ↗

Listed market

TYO

Country

Japan

Employees (consolidated)

9,292

Related companies

§01

Basic information

BASIC

Head office: Chiyoda-ku, Tokyo, Japan
Chief executive: Hidehisa Segi
Capital: 6,504,000,000 　(65 100 million)
Employees (non-consolidated): 1,786 people
Employees (consolidated): 9,292 people
Start date: 1948-01-01
End date

§02

Websites

1 DOMAINS

https://www.rohto.co.jp/

§03

Business

Manufacture and sale of pharmaceuticalsManufacture and sale of cosmeticsManufacture and sale of functional foodsResearch, development, manufacturing, and sale of pharmaceuticalsResearch, development, manufacturing, and sale of cosmeticsResearch, development, manufacturing, and sale of health foodsManufacture and sale of pharmaceuticalsManufacture and sale of cosmeticsOnline salesProvision of health and beauty informationOlfactory communication researchManufacture and sale of pharmaceuticalsManufacture and sale of cosmeticsManufacture and sale of functional foodsResearch and developmentResearch and development of pharmaceuticalsManufacturing of pharmaceuticalsSale of pharmaceuticalsPharmaceutical developmentPharmaceutical manufacturingPharmaceutical salesHealth foodsCosmeticsOnline shopHealth information provisionPerfume and fragrance relatedBera LabCoco Lotte ParkTaiyo Smile fufufu

§04

Related companies

61 COMPANIES

Company name	Group	Parent	Subsidiary	Customer	Supplier	Alliance	Bank	Shareholder
Rohto-Mentholatum (Cambodia) Co., Ltd. Group
Rohto-Mentholatum (Thailand) Co., Ltd. Group
Lotte Advance Research Hong Kong Limited Group
Lotte China Pharmaceuticals Co., Ltd. Group
Tianjin Rohto Cosmetics Co., Ltd. Group
P.T. Rohto Laboratories Indonesia Group Subsidiary
Rohto-Mentholatum Lanka (Private) Ltd. Group Subsidiary
Rohto-Mentholatum Viet Nam Co., Ltd. Group Subsidiary
Lotte Cell Factory Tokyo Inc. Group
Mentholatum (Asia Pacific) Ltd. Group
Rohto-Mentholatum (Myanmar) Ltd. Group
Mentholatum (Taiwan) Co., Ltd. Group
Rohto-Mentholatum East Africa Ltd. Group Subsidiary
Rohto Niten Co., Ltd. Group
Hydrox Laboratories Group
Mentholatum (Malaysia) Sdn. Bhd. Group Subsidiary
Sigmapharm Arzneimittel GmbH Group
The Mentholatum Company Ltd. Group Subsidiary
Dax Cosmetics Ltd. Group
Maya-do Pharmaceutical Co., Ltd. Group
Hokushin Foods Co., Ltd. Group
Mentholatum (South Africa) (Pty.) Ltd. Group Subsidiary
Ophthalmos Participações e Representações S.A. Group
Eu Yan Sang International Ltd. Group
Interstem Corporation Group
Mentholatum de Mexico, S.A. de C.V. Group
Tendo Pharmaceutical Co., Ltd. Group
The Mentholatum Company, Inc. Group
M.G. Pharma Co., Ltd. Group
China Mentholatum Co., Ltd. Group
Magic Cod d.o.o. Group Subsidiary
Mentholatum (AP) Ltd. Group
Mentholatum (Singapore) Pte. Ltd. Group Subsidiary
Mentholatum Australasia Pty. Ltd. Group Subsidiary
The Mentholatum Company Ltd. Group
The Mentholatum Company do Brasil Ltda. Group
Qualitech Pharma Co., Ltd. Group
ロートレシピ Group
ロート・アドバンス・リサーチ香港社 Group
ロート・メンソレータムロシア社 Group
ロート・メンソレータム・カンボジア社 Group Subsidiary
ロート・メンソレータム・ネパール社 Group Subsidiary
ロート・メンソレータム・ミャンマー社 Group Subsidiary
ロート・メンソレータム・ロシア社 Group Subsidiary
ロート・メンソレータム社・タイ Group
ロート中国社 Group
国内グループ会社 Group
天津ロート社 Group
Keres Okinawa Co., Ltd. Group
海外グループ会社 Group
Agricultural Production Corporation YaeYama Farm Limited Company Group
Mine Pharmaceutical Co., Ltd. Customer
Akakabe Corporation Customer
Kusuri no Sun Road Co., Ltd. Customer
Kokumin Co., Ltd. Customer
Sapporo Drug Store Co., Ltd. Customer
株式会社トモズ Customer
Yamazawa Pharmacy Co., Ltd. Customer
Shinseido Pharmacy Co., Ltd. Customer
Kyorindo Pharmacy Customer
Yakudo Holdings Co., Ltd. Customer

Names without a link are companies not yet registered in OpenBizGraph

§05

Network

NETWORK

§06

History

4 EVENTS

1899-02-22

On February 22, 1899 (Meiji 32), founder Yamada Yasuomi established "Shintendo Yamada Yasuomi Pharmacy" with a capital of 3,000 yen and released the stomach medicine "Iikatsu". This was the beginning of Rohto Pharmaceutical Co., Ltd.

1899-02-22

1970

Acquired exclusive trademark usage rights from Mentholatum (USA). By entering the external skin care product field to make the Mentholatum brand the third pillar of the business, it became a stepping stone toward becoming a global company.

2000

Since 2000, skin care brands such as "Obagi" and "Hada KEN" have been released one after another, expanding Rohto Pharmaceutical's business into health and beauty care.

§07

News

59 ARTICLES

2026-11-11

Notice of Voluntary Recall of Certain Eye Drop Products in Distribution and Retail Inventory

Rohto Pharmaceutical announced that it will conduct a voluntary recall at the distribution stage for certain lots of eye drop products manufactured at its Vietnam production facility for the Japanese market, due to identified manufacturing process control deficiencies. The affected lots are held in inventory by retailers and distributors, and quality testing has confirmed no issues. No health damage reports have been confirmed.

2026-11-10

Rohto Children's Dream Fund Grant Project 4th Edition Recruitment Begins

Rohto Pharmaceutical Co., Ltd. has partnered with the nonprofit organization Peace Winds Japan to launch the recruitment for the 4th Grant Project of the Rohto Children's Dream Fund, which aims to address social issues surrounding children. The recruitment period runs from November 10, 2026, to December 25, 2026, and an online application briefing session will also be held.

2026-11-06

Apology and Countermeasures for Personal Data Leak Due to Unauthorized Access

It has been discovered that a third party gained unauthorized access to a system used by our company, resulting in the leakage of customers' personal information. We deeply apologize for the inconvenience and concern caused to our customers. To prevent recurrence, we will continue investigations in collaboration with external experts and implement countermeasures.

2026-11-05

Rohto Pharmaceutical's Phytoexosome Enters Nikkei Trendy Best 30

Rohto Pharmaceutical Co., Ltd.'s "Phytoexosome" technology ranked in Nikkei Trendy's 2027 Hit Prediction Best 30 and won the industry award (Beauty). It has attracted attention as a cell tech cosmetic, and the company plans to sequentially incorporate it into its flagship skincare brand.

2026-10-28

Obagi C Serum Cleansing Oil New Release

Rohto Pharmaceutical has announced the Obagi C Serum Cleansing Oil from the Obagi brand, which will begin sales nationwide in drugstores and other outlets from January 8, 2027. The product contains a high-concentration pure vitamin C and features Japan’s first “VC First Technology.” The formulation is designed to make vitamin C easily contact the skin during cleansing, proposing that washing the face becomes a skincare time.

2026-10-23

Selected as Strategic Enterprise Partner by the Hong Kong Government

Rohto Pharmaceutical signed an agreement with the Hong Kong Government's OASES to form a strategic partnership and become a strategic enterprise partner. This is the first time a Japanese company has entered into such a partnership with the Hong Kong government. By positioning Hong Kong as one of its strategic business and co‑creation hubs, the company aims to deepen collaboration with local partners and the community, contributing to the health and prosperous lives of people across Asia, including Hong Kong.

2026-10-14

Developed a cleansing technology using pure vitamin C

Rohto Pharmaceutical confirmed that pure vitamin C (VC) may reduce the amount of peroxide derived from squalane and may reduce the impact of surfactants on epidermal cells. Furthermore, they developed an oil cleansing formulation technology with a bi-continuous structure that makes VC easily contactable with the skin from the moment it is applied, by incorporating VC at high concentration. They plan to apply these findings to future product development.

2026-10-13

New Release: Rohto V5 Vision Power

Rohto Pharmaceutical will launch 'Rohto V5 Vision Power' from its functional food 'Rohto V5' series. It contains crocetin and ginkgo leaf-derived ingredients, and is marketed as maintaining the ability to focus on distant objects. The recommended dosage is one tablet per day, and it will be sold nationwide in drugstores and online starting October 20, 2026.

2026-10-13

Rohto Pharmaceutical establishes Phytosome Exosome Research Group

Rohto Pharmaceutical has established a research group to deepen the scientific understanding of phytosome exosomes and discuss challenges toward their potential and societal implementation. The first academic meeting was held on October 10, 2026, where researchers, dermatologists, and experts in aesthetic medicine shared the latest findings and discussed definitions, quality assessment, and more. The insights and outcomes from the research group will be widely disseminated to promote healthy development of the research field.

2026-10-06

Lotte Pharmaceutical, Lotte Welcoat, and Nissui Launch Joint Initiative Linking Fish and Eye Health

The three companies—Lotte Pharmaceutical, Lotte Welcoat, and Nissui—carried out a joint project in conjunction with "Eye Protection Day" and "Toto (Fish) Day" on October 10. They offered a collaborative menu, "Buri Lotte Don", featuring fully farmed "Kurose Buri" (black sea bream), at the Lotte Recipe Umeda NU Chaya Town Plus store from October 10 to 31, and also served the same menu in the company cafeteria. The project aims to raise awareness of health by promoting both eating fish and caring for the eyes.

§08

Public records

GOV

National Tax Agency basic information6120001019253

Source: National Tax Agency Corporate Number Publication Site, basic three items

Trade name: ロート製薬株式会社
Trade name (kana): ロートセイヤク
Name in English
Corporation type: 301
Address: 〒544-0012 大阪府大阪市生野区巽西１丁目８番１号
Postal code: 5440012
Prefecture code: 27
City code: 116
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date: 2015-10-05
Update date: 2018-07-13
Change date: 2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record: 1
Excluded from search: 0
Processing type: 01
Correction type: 1
Trade name image ID
Address image ID: 00027712
Sequence number: 4250637

METI gBizINFO6120001019253

Source: gBizINFO (Ministry of Economy, Trade and Industry)

Corporate number: 6120001019253
Trade name: ロート製薬株式会社
Trade name (kana): ロートセイヤク
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address: 大阪府大阪市生野区巽西１丁目８番１号
Postal code: 5440012
Prefecture: 大阪府
Prefecture code: 27
City or district: 大阪市生野区
City code: 116
Street address: 巽西１丁目８番１号
Organisation type: 301
Processing type: 01
Correction type: 1
Status
Representative: 代表取締役社長　瀬　木　英　俊
Capital: 6504000000
Employees: 2110
Employees (male): 890
Employees (female): 1220
Business summary: 従来の医薬品や医薬部外品化粧品・機能性食品などの製造販売業に加え、健康の基本である食やサービスなど日常のライフスタイルから医療など先端のライフサイエンスまで、関連するあらゆる分野を統合した「統合ヘルスアンドビューティーケア」を目指す
Website URL: http://www.rohto.co.jp/
Year founded
Business category: E:製造業
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date: 2018-07-13
Key information: 6120001019253