Rohto Z! b
Refresh tired eyes completely with a waking cooling sensation
For these people and occasions
Product overview
"Rohto Z! b" is eye drops that refresh tired eyes with a waking cooling sensation. Contains ingredients that activate eye function and promote metabolism, as well as redness removal agents. Contains zinc sulfate hydrate to help suppress inflammation caused by ultraviolet rays.
Ideal for refreshing tired eyes after sports or long drives. Features a well-balanced formula that addresses various eye troubles and a crisp, refreshing cooling sensation. Equipped with a "free angle nozzle" for eye drops at any angle. The liquid is colorless and transparent and can be stored in the refrigerator.
Product features
Crisp and refreshing, cooling sensation level 8
Cooling sensation level 8Refresh tired eyes with a waking sensation. The formula containing l-menthol, d-camphor, and peppermint oil provides a crisp and refreshing feeling.
Supports redness and inflammation
Tetrahydrozoline hydrochloride / Zinc sulfate hydrateContains redness removal ingredient "Tetrahydrozoline hydrochloride" and astringent and anti-inflammatory ingredient "Zinc sulfate hydrate." Also supports ophthalmia caused by ultraviolet rays (snow blindness, etc.).
Eye activation and metabolism support
Vitamin B6 / L-potassium aspartateContains vitamin supplement ingredient "Vitamin B6" and amino acid ingredient "L-potassium aspartate" that promotes eye metabolism. Supports the function of tired eyes.
Well-balanced formula with 6 ingredients
6 types of active ingredientsA well-balanced formula that can address various eye troubles such as fatigue, redness, itching, blurriness, and inflammation. Can be stored in the refrigerator for a cooler, more refreshing sensation.
Active ingredients
| Ingredient name | Content amount | Function |
|---|---|---|
| Tetrahydrozoline hydrochloride | 0.05％ | Redness relief ingredient |
| Neostigmine methyl sulfate | 0.003％ | Improves ciliary muscle fatigue |
| Zinc sulfate hydrate | 0.05％ | Astringent and anti-inflammatory |
| Chlorpheniramine maleate | 0.03％ | Antihistamine (itch relief) |
| Vitamin B6 | 0.1％ | Vitamin supplement ingredients |
| L-potassium aspartate | 1％ | Promotes metabolism (amino acids) |
* Additives: boric acid, borax, l-menthol, d-camphor, peppermint oil, edetate sodium, polyoxyethylene hardened castor oil, hypromellose, chlorobutanol, pH adjuster
Efficacy and effects
Usage and dosage
| Target | Amount per use | Number of times per day |
|---|---|---|
| 15 years and older (no restrictions) | 2 to 3 drops | 5 to 6 times |
Rohto Z series comparison chart
| Comparison items | [Rohto Z b] | Rohto Z Contact b | Rohto Z Pro d |
|---|---|---|---|
| JAN | 4987241150175 | 4987241165117 | 4987241165100 |
| Pharmaceutical classification | Class 2 OTC Drug | Class 3 OTC Drug | Class 2 OTC Drug |
| Cooling sensation level | 8 | 8+ | 8+ (highest in brand) |
| Main target | Fatigue, redness, balanced support | Dryness and fatigue while wearing Contact lenses | Specialized for focusing fatigue and blurriness |
| Contact compatible | Hard only | Compatible with both soft and hard | Hard only |
| Neostigmine (improves focusing fatigue) | 0.003% | None | 0.005% (maximum concentration) |
| L-aspartic acid potassium salt (metabolism promotion) | 1% (included) | None | None |
| Redness relief ingredient | Tetrahydrozoline hydrochloride 0.05% | None | Tetrahydrozoline hydrochloride 0.05% |
| Antihistamine (itch relief) | Chlorpheniramine maleate 0.03% | None | Chlorpheniramine maleate 0.03% |
| Zinc sulfate (astringent and anti-inflammatory) | 0.05% | None | 0.1% |
| Chondroitin (corneal protection) | None | None | 0.5% (maximum concentration) |
| Allantoin (tissue repair) | None | None | 0.2% |
| Moisture retention ingredients | None | Hypromellose 0.21% | Chondroitin 0.5% |
| W minerals (moisturizing effect) | None | Contains potassium chloride and sodium chloride | None |
| Refrigerator storage | ✔ Possible | Not specified | Not specified |
| Free-angle nozzle | ✔ | ✔ | ✔ |
| Self-medication Tax System | Target | Not applicable | Target |
🌱 Brand Story
Rohto Pharmaceutical is a leading Japanese healthcare company based in Osaka. The "Rohto Z" series was created to meet diverse eye needs in modern life scenes—sports, driving, digital work. Rohto Z b adopts a well-balanced formula that broadly addresses various eye troubles such as redness, fatigue, itching, and blurriness, making it a standard model widely supported from sports enthusiasts to everyday users.
- 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 you experience skin rash, redness, itching, eye redness, itching, swelling, stinging, or pain 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 5 to 6 days of use, stop using and consult a doctor, pharmacist, or registered seller.
- Avoid using while wearing soft Contact lenses (use is allowed while wearing hard Contact lenses).
- If storing in the refrigerator, be careful not to freeze the liquid. Do not use if the liquid has frozen.
- We recommend consulting a doctor, pharmacist, or registered seller before use.
- Store away from direct sunlight, high temperature, and humidity (refrigeration is also acceptable).
- Keep out of reach of children.
- Use as soon as possible after opening.
- Do not transfer to other containers.
- This product does not fall under the category of aviation hazardous materials as defined by the Aviation Law.