



Rohto C Cube Cool a
Moisture and a refreshing cool sensation for eyes that feel dry or uncomfortable from contact lens wear and similar strain
For people like this · At times like these
Product Overview
Rohto C Cube Cool a is a Class 3 OTC eye drop used for dryness and discomfort in eyes that are prone to strain from contact lens wear and similar factors. It combines replenishment of minerals found in lost tears with poloxamer to help compatibility with lenses, aiming for a composition close to natural tears—the Cool type in the standard series. It is preservative-free and features a clean, refreshing cooling sensation.
Product Features
Replenishes lost minerals
MoistureMinerals in tears are also important components for the body. The C Cube standard series aims to replenish lost minerals and ease dryness and discomfort.
Poloxamer for better lens compatibility
CompatibilityFormulated with poloxamer to improve how contact lenses and tears work together. Designed with a feel that wraps the lens in a moisturizing veil.
Preservative-free Cool type
Cooling sensationPreservative-free with consideration for eyes that tend to be strained by contacts. A Cool type with a refreshing sensation, aiming for a combination of ingredients close to natural tears.
Active Ingredients
| Ingredient | Amount | Category |
|---|---|---|
| Sodium chondroitin sulfate | 5 mg (per 1 mL) | Active ingredient |
| Potassium L-aspartate | 10 mg (per 1 mL) | Active ingredient |
| Aminoethylsulfonic acid (taurine) | 10 mg (per 1 mL) | Active ingredient |
| Sodium chloride | 4.5 mg (per 1 mL) | Active ingredient |
Indications
Dosage and Administration
| Age | Dose per use | Times per day |
|---|---|---|
| Adults (15 years and older) and children | 1 to 3 drops per use | Instill 3 to 6 times daily |
- Read the package insert carefully before use.
- The following people should consult a doctor, pharmacist, or registered seller before use: those under a doctor’s care; those who have previously experienced allergic symptoms to medicines, etc.; those with a disease.
- If symptoms such as rash/redness, itching, stinging, hyperemia, or swelling appear during or after use, discontinue use and consult a doctor, pharmacist, or registered seller.
- If an eye condition requiring medical treatment, such as trachoma, is suspected, do not continue use based on your own judgment; seek medical care.
- Do not use continuously for a long period. If symptoms do not improve, discontinue use and consult a doctor, pharmacist, or registered seller.
- After instillation, a bitter taste may sometimes be felt in the mouth (because the solution drains through the tear duct).
- When using with other eye drops, follow the guidance of a pharmacist or registered seller, such as leaving an interval between uses.
- Store tightly closed in a cool place away from direct sunlight.
- Store out of reach of children.
- Do not transfer to another container (this may cause misuse or quality changes).
- Do not leave in high-temperature places such as a car dashboard (this may deform the container or degrade the quality of the solution).
- For quality retention, do not use products past their expiration date.
- Follow the package insert for detailed storage and handling instructions.










































































