Rohto Z Contact b
Refreshing sensation and moisture that can be used while wearing Contact lenses
For these people and situations
Product overview
"Rohto Z Contact b" is eye drops that can be used while wearing Contact lenses when you want to refresh dry and tired eyes. It moisturizes eyes wearing hard, O2, soft, disposable, and other Contact lenses, improving dryness and fatigue.
Double mineral ingredients (potassium chloride and sodium chloride) provide a pleasant and abundant moisturizing sensation. Additionally, it contains Hypromellose to retain moisture in the eyes. The strongest cool sensation (refreshing level 8+) condensed in one drop pierces deep into the eyes instantly upon application, maintaining a pleasant feeling. Features a "free-angle nozzle" that allows application from any angle. The liquid is colorless and transparent.
Product features
Compatible with both soft and hard lenses
Usable while wearing Contact lensesCan be used while wearing soft Contact lenses (including disposables), O2 Contact lenses, and hard Contact lenses. Formulated to support the daily life of Contact users.
Moisture supply with double mineral ingredients
Potassium chloride / Sodium chlorideTwo mineral ingredients, "Potassium chloride" and "Sodium chloride," provide a pleasant and abundant moisturizing sensation, improving dryness and fatigue during Contact lens wear.
Keep moisture with Hypromellose
Hypromellose 0.21%Contains "Hypromellose" to retain moisture in the eyes. Combined with double minerals to sustain hydration and support comfort during Contact lens wear.
Refreshing level 8+ · Free-angle nozzle
Brand’s highest level of refreshing sensationCompatible with Contact lenses while achieving a refreshing level of 8+. The invigorating sensation that pierces deep into the eyes lasts the moment you apply it. Features a free-angle nozzle that allows eye drops from any angle.
Active ingredients
| Ingredient name | Content amount | Function |
|---|---|---|
| Potassium chloride | 0.08％ | Mineral ingredients (moisture supply) |
| Sodium chloride | 0.44％ | Mineral ingredients (moisture supply) |
| Hypromellose | 0.21％ | Moisture retention ingredient |
*Additives: Boric acid, borax, polyoxyethylene polyoxypropylene glycol, polyoxyethylene hardened castor oil, edetate sodium, polyhexanide hydrochloride, l-menthol, d-camphor, d-borneol, pH adjuster
Efficacy and effects
Dosage and administration
| Target | Amount per use | Number of times per day |
|---|---|---|
| No restrictions | 1–3 drops | 5–6 times |
Rohto-Z series comparison chart
| Comparison items | [Rohto-Z Contact b] | Rohto-Z Pro d | Rohto-Z b |
|---|---|---|---|
| JAN | 4987241165117 | 4987241165100 | 4987241150175 |
| Pharmaceutical classification | Class 3 OTC Drug | Class 2 OTC Drug | Class 2 OTC Drug |
| Refreshing sensation level | 8+ (brand’s highest level) | 8+ (brand’s highest level) | 8 |
| Main target | Dryness and fatigue while wearing contacts | Specialized for focus fatigue and blurriness | Supports tired eyes, redness, and balance |
| Instillation while wearing contacts | ✔ Compatible with both soft and hard lenses | Hard only | Hard only |
| W mineral moisturizing ingredients | ✔ Potassium chloride, sodium chloride | None | None |
| Moisture retention ingredient | Hypromellose 0.21% | Chondroitin 0.5% | None |
| Tear fluid supplement (dry eye support) | ✔ (listed in efficacy) | None | None |
| Neostigmine (focus fatigue improvement) | None | 0.005% (maximum concentration) | 0.003% |
| Redness relief ingredient | None | Tetrahydrozoline hydrochloride 0.05% | Tetrahydrozoline hydrochloride 0.05% |
| Antihistamine (itching suppression) | None | Chlorpheniramine maleate 0.03% | Chlorpheniramine maleate 0.03% |
| Zinc sulfate (astringent, anti-inflammatory) | None | 0.1% | 0.05% |
| Chondroitin (corneal protection) | None | 0.5% (maximum concentration) | None |
| Allantoin (tissue repair) | None | 0.2% | None |
| L-Potassium aspartate (metabolism promotion) | None | None | 1% |
| Refrigerator storage | Not stated | Not stated | ✔ Possible |
| Free-angle nozzle | ✔ | ✔ | ✔ |
| Self-medication Tax System | Not applicable | Target | Target |
🌱 Brand Story
Rohto Pharmaceutical is a leading Japanese healthcare company based in Osaka. The "Rohto-Z" series was developed to meet the diverse eye needs of modern life such as sports, driving, and digital work. "Rohto-Z Contact b" was created as eye drops that can be easily used even while wearing contact lenses, responding to the social background of increasing contact lens users. It is a model specialized for contact lens users that combines moisturizing with W minerals and hypromellose and the brand’s highest level of refreshing sensation.
- Consult a doctor, pharmacist, or registered seller before use if you: are under medical treatment, have had allergic reactions to medicines, have severe eye pain, or have been diagnosed with glaucoma.
- If symptoms such as skin rash, redness, itching, eye redness, itching, swelling, or stinging pain appear after use, stop using immediately and consult a doctor, pharmacist, or registered seller.
- If eye blurriness does not improve or symptoms do not get better after about two weeks of use, discontinue use and consult a doctor, pharmacist, or registered seller.
- We recommend consulting a doctor, pharmacist, or registered seller before use.
- Store away from direct sunlight, high temperature, and humidity.
- Keep out of reach of children.
- Use as soon as possible after opening.
- Do not transfer to another container.
- This product does not fall under the aviation hazardous materials defined by the Aviation Law.