Quasi-drug
Disinfectant solution for soft contact lenses
Cool type
Rohto C Cube Soft One Cool a
Long-lasting moisture & cool wearing sensation. Rubbing, rinsing, disinfection, and storage all in one bottle.
✦ Compatible with all groups of soft lenses
✦ Contains moisturizing veil ingredient poloxamer
✦ Refreshing cool sensation
✦ Comes with lens case
For these people and situations
👁️
For soft contact lens users
Can be used with all soft contact lenses from Group I to Group IV (including disposable lenses).
💧
For those concerned about lens moisture
Contains poloxamer that forms a moisturizing veil, gently wrapping the lenses and supporting a comfortable wearing experience.
❄️
For those who prefer a cool wearing sensation
Refreshing cool type. Recommended for those who want a refreshing feeling when wearing lenses.
🧴
For those who want to simplify lens care
Rubbing, rinsing, disinfection, and storage all in one bottle. No need to prepare a separate storage solution, making daily lens care easy.
Product Overview
Rohto C Cube Soft One Cool a is a disinfectant solution for soft contact lenses manufactured and sold by Rohto Pharmaceutical. It completes the 4 steps of rubbing, rinsing, disinfection, and storage with one bottle and is compatible with all soft contact lenses (Group I to Group IV). The active ingredient polyhexanide hydrochloride (PHMB) thoroughly disinfects the lenses, while poloxamer forms a moisturizing veil that gently wraps the lenses.
This product is a cool type characterized by a refreshing and crisp wearing sensation. It comes with a uniquely designed lens case (Soft One Original Lens Case) featuring one-touch open/close and an integrated lid for ease of use.
Product Features
01
4 steps completed with one bottle
All-in-one formula
Rubbing, rinsing, disinfection, and storage all in one bottle. No need to prepare a separate storage solution, simplifying daily contact lens care.
02
Contains moisturizing veil ingredients
Poloxamer
Contains poloxamer that forms a moisturizing veil. It gently wraps the lenses to support a comfortable wearing experience.
03
Refreshing cool sensation
Cool type
Refreshing cool type with a crisp sensation. Suitable for those seeking a refreshing feeling when wearing lenses. Can also be used interchangeably with the regular type (Moist a).
04
Comes with an easy-to-use original lens case
Soft One Original Case
Easy one-touch open/close design with an integrated lid, so no worry about losing it. After use, it can be inserted into the cap to dry, ensuring hygienic design.
Active ingredients & blended ingredients
Indications & Effects
Disinfection of soft contact lenses (Group I to Group IV)
Usage & Dosage
| Step |
Operation |
| ① Rubbing |
Place the lenses on the palm of your hand, apply a few drops of this solution, and gently rub both sides of the lenses 20–30 times with your fingers. |
| ② Rinsing |
Rinse both sides of the lenses thoroughly with this solution after rubbing. |
| ③ Disinfection & Storage |
Fill the lens case with this solution, completely immerse the lenses, close the lid, and leave for at least 4 hours. |
| ④ Wearing |
Rinse with this solution before wearing (recommended) |
Always wash your hands thoroughly with soap before use. Always adhere to the disinfection time (4 hours or more) and do not wear lenses before disinfection is complete. Always discard the liquid in the case after removing the lenses and use fresh solution each time. This product is exclusively for soft contact lenses. It cannot be used with hard or O2 lenses.
Rohto C Cube Soft One Series Comparison
| Comparison items |
[Soft One Cool a] |
Hydro One |
Soft One Colors |
Soft One Moist a |
| Type |
Cool type |
Designed exclusively for silicone HG lenses |
Colored contact compatible type |
Moisturizing type |
| Active ingredient (disinfection) |
Polyhexanide hydrochloride (PHMB) |
Polyhexanide hydrochloride (PHMB) |
Polyhexanide hydrochloride (PHMB) |
Polyhexanide hydrochloride (PHMB) |
| Moisturizing and care ingredients |
Poloxamer |
Hyaluronic acid Na + Poloxamer |
Poloxamer |
Poloxamer |
| Cleaning power features |
Protein deposit removal |
Double cleaning of protein + lipid deposits (compared to our previous products) |
Protein deposit removal |
Protein deposit removal |
| Compatible with colored contacts |
— |
— |
✅ Designed exclusively for colored contacts |
— |
| Compatible with silicone HG lenses |
All soft lenses |
✅ Especially optimized design |
All soft lenses |
All soft lenses |
| Refreshing sensation |
With (cool sensation) |
None (mild) |
None (mild) |
None (mild) |
| Compatible lenses |
All soft lenses Groups I–IV |
All soft lenses Groups I–IV |
All soft lenses Groups I–IV + colored contacts |
All soft lenses Groups I–IV |
| Recommended for |
For those who prefer a cool, refreshing sensation |
For users of silicone HG lenses and those concerned about lipid deposits |
For users of colored contacts and circle lenses |
For those who prioritize moist hydration |
🌱 Brand Story
Rohto C Cube is a contact lens care brand developed by Rohto Pharmaceutical Co., Ltd. Founded in 1899, Rohto Pharmaceutical has long been engaged in research and development in the ophthalmology field, focusing on eye drops. The Rohto C Cube series pursues eye health and comfortable wear for contact lens users, offering a wide range of eye care products including disinfectants, eye drops, and eye wash solutions. The Soft One series supports simple and hygienic daily lens care with easy-to-use original lens cases.
⚠️ Usage Precautions
- This product is for cleaning, rinsing, disinfecting, and storing soft contact lenses only. Do not ingest.
- If the tip of the container touches the contact lenses or fingertips, the solution may become contaminated or cloudy. Do not use if the solution is cloudy or discolored.
- Do not use for boiling disinfection. Do not mix with other soft contact lens disinfectants.
- Always adhere to the prescribed disinfection time (4 hours or more) and do not wear lenses before disinfection is complete.
- Always discard the liquid in the case after removing the lenses and use fresh solution each time.
- If you have ever had eye allergy symptoms (redness, itching, swelling, etc.) or are under medical treatment, consult an ophthalmologist before use.
- If you experience pain, redness, blurred vision, or other abnormalities during use, immediately remove the lenses and consult an ophthalmologist.
- When allowing children to use, ensure they do so under the guidance and supervision of a guardian.
- Do not use the product past its expiration date.
- Do not use with hard or O2 lenses.
📦 Storage Precautions
- Store away from direct sunlight, high temperatures, and humidity.
- Keep out of reach of children.
- Do not return the liquid once dispensed back into the bottle container.
- Do not use the product past its expiration date.
● Features
Long-lasting moisture & cool wearing comfort
All-in-one for rubbing, disinfecting, protein removal, rinsing, and storage! With a pH close to tears, it is gentle on the eyes.
Comes with a Soft One original lens case
Point 1: Easy open and close with one-touch operation!
Point 2: Clean washing and proper drying!
Keep the lens case clean as well. After removing the lenses, you can insert them into the cap to dry.
Point 3: No lost lids!
The integrated design prevents losing or dropping the lid.
This disinfectant can be used for all soft contact lenses. *Not for hard or O2 lenses.
● Efficacy/Effects
Disinfection of soft contact lenses (Group I to Group IV)
● Dosage and Administration
1. Apply a few drops of this solution to the soft contact lenses and gently rub both sides of each lens 20 to 30 times with your fingers.
2. Rinse both sides of the washed lenses thoroughly with this solution.
3. Fill the lens case with this solution, completely immerse the lenses, and securely close the case lid. Leave it for at least 4 hours.
<Usage Instructions>
Follow the instructions below for proper care. Perform rubbing every time you wear the lenses and replace with fresh solution.
Always wash your hands thoroughly with soap before handling soft contact lenses.
- Step 1: Rubbing
Place the soft contact lenses removed from your eyes on your palm. Apply a few drops of this solution to the lens surface and gently rub both sides 20 to 30 times with your fingers.
- Step 2: Rinsing
Rinse both sides of the rubbed lenses thoroughly with this solution.
- Step 3: Disinfection and Storage
Fill the lens case with this solution, fully immerse the lenses, and tightly close the lid. (Be careful not to pinch the lenses.) Leaving it for 4 hours or more completes disinfection.
*For the sake of your lenses and eyes, it is recommended to rinse with this solution before wearing.
○ Lens Case Care
1. Discard the solution inside the lens case and wash it well.
2. With the lid open, insert the recessed part on the side of the lens case into the brim of the Soft One cap.
3. Leave it inserted in the cap to dry thoroughly.
● Ingredients/Quantity
Active ingredient (per 1 mL)
Polyhexanide hydrochloride 0.001 mg
[Other ingredients]
Viscosity agent, isotonic agent, buffer agent, stabilizer, surfactant, pH adjuster
Contains polyoxyethylene polyoxypropylene glycol as an additive.
● Dosage Form
Liquid
● Precautions for Use
■Do not do (Contraindications)
1) Use this solution only for cleaning, rinsing, disinfecting, and storing soft contact lenses. Do not ingest.
2) Avoid contact of the container tip with contact lenses, fingertips, etc., to prevent contamination or clouding of the solution due to bacteria. Do not use if the solution is cloudy or discolored.
3) Do not use this solution for boiling disinfection. Do not mix with other soft contact lens disinfectants.
4) Always discard the solution in the case after removing lenses and use fresh solution each time.
5) Do not return used solution to the bottle.
6) Do not use the product past its expiration date.
<Consultation>
1) Consult an ophthalmologist before use if:
a. You have had allergic eye symptoms before (e.g., redness, itching, swelling, rash, or redness).
b. You are under medical treatment.
2) If you experience pain, redness, tearing, discharge, foreign body sensation, blurred vision, dryness, or light sensitivity while wearing or after wearing lenses disinfected with this solution, immediately remove the lenses and consult an ophthalmologist. Continuing to wear may lead to eye infections or serious eye damage such as corneal ulcers.
3) If hives, difficulty breathing, or other abnormalities occur during use, stop using immediately and consult a doctor or pharmacist. People with allergies or a history of hypersensitivity reactions to medications should use with caution.
<Other Precautions>
● This solution is intended for disinfecting soft contact lenses. Improper use or failure to follow the instructions may result in incomplete cleaning or disinfection, causing eye infections or serious eye damage that may lead to vision loss. Always follow the instructions in this leaflet.
● Please also read the instructions for your current soft contact lenses carefully.
*To avoid bacterial contamination, do not let the container tip touch the lens case, solution surface, contact lenses, or fingertips.
[Must follow]
1) Strictly adhere to the usage instructions in this leaflet. Incorrect use may cause incomplete disinfection, leading to eye infections or serious eye damage such as corneal ulcers, which if untreated, can cause blindness.
2) Always wash and rinse your hands thoroughly with soap before handling lenses.
3) Always observe the specified disinfection time (4 hours or more). Do not wear lenses before disinfection is complete.
4) After removing lenses, always empty the case, rinse with fresh solution, and let it air dry. Using an unclean lens case can cause bacterial growth, leading to eye infections and serious eye damage such as corneal ulcers.
5) When used by children, ensure use under the supervision and guidance of a guardian.