What is the active ingredient in Rohto?

Written by Editorial Team | Last Updated: August 2026

Rohto eye drops utilize a specialized formulation of active pharmaceutical ingredients designed to provide rapid relief from eye redness, irritation, dryness, and fatigue. Depending on the specific product variant—such as Rohto Cool, Ice, or Relief—the active components typically include vasoconstrictors like naphazoline hydrochloride to reduce redness by narrowing blood vessels, eye lubricants such as glycerin, hypromellose, or polysorbate to moisturize the ocular surface, and cooling agents like menthol that deliver an immediate, refreshing sensation to tired eyes.

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Rohto Pharmaceutical Company owns The Mentholatum Company as a wholly-owned global subsidiary, producing an extensive portfolio of trusted over-the-counter pharmaceuticals, eye care treatments, and skincare lines.

Rohto eye drops are widely utilized by millions of consumers to provide rapid relief from eye redness, dryness, and minor irritation caused by environmental factors or digital eye strain.

Rohto Pharmaceutical Co., Ltd. records annual net sales exceeding ₹176.42 billion (translating to multi-billion-yen international equivalents), confirming its powerful market standing as a premier global healthcare enterprise.

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Rohto pharmaceutical products are primarily formulated for eye care, skin treatment, and over-the-counter health relief.

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Rohto Pharmaceutical Co., Ltd. originates from Japan, with its corporate headquarters established in Osaka.

Rohto Pharmaceutical Co., Ltd. is a major Japanese multinational healthcare, skincare, and over-the-counter medicine manufacturer headquartered in Osaka.

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Standard lubricating Rohto eye drops designed for daily hydration and moisture support can generally be used safely on a regular basis, provided users follow product label instructions and avoid prolonged use of maximum-redness-relief formulas contai...

Rohto Pharmaceutical Co., Ltd. manages a comprehensive global network of consolidated subsidiaries and manufacturing affiliates specializing in over-the-counter ophthalmic medications, skincare formulations, and functional health supplements.

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Rohto Pharmaceutical maintains its core corporate heritage, primary research laboratories, and major manufacturing facilities in Japan, where it originated over a century ago.

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Yes, Rohto eye drops distributed and sold in the United States comply fully with U.S. Food and Drug Administration (FDA) regulations under the Over-the-Counter (OTC) Monograph system for ophthalmic drug products.

Rohto eye drops and pharmaceutical formulations sold within the United States comply strictly with applicable federal regulatory frameworks, including required Food and Drug Administration over-the-counter drug monographs and safety standards.

Rohto Pharmaceutical Co., Ltd.

Over-the-counter ophthalmic products manufactured by Rohto, including specialized lubricating formulas like Rohto Dry-Aid and redness-relief drops, can occasionally cause minor ocular side effects and localized irritation.