Quasi-drug
Disinfecting solution for soft contact lenses
Compatible with silicone HG lenses
Rohto C Cube Hydro One
From lipid deposits on silicone hydrogel lenses to dual cleaning + moisture for clear vision
✦ Dual cleaning of lipids + proteins (compared to our previous products)
✦ Contains sodium hyaluronate
✦ Rub wash, rinse, disinfect, and store all completed with one bottle
✦ Comes with a lens case
For these people and situations
👁️
For those using silicone hydrogel lenses
Thorough dual cleaning of lipid deposits that tend to adhere to silicone HG lenses. Designed specifically to care for stains that previous products could not fully remove.
💧
For those who prioritize lens moisture and comfort
Contains moisturizing ingredient sodium hyaluronate. Pursues not only cleaning power but also a comfortable wearing experience.
🔬
For those seeking high disinfecting power
Contains the highly bactericidal active ingredient polyhexanide hydrochloride. Effectively disinfects various bacteria and supports a clean lens environment.
🧴
For those who want to simplify lens care
Rub wash, rinse, disinfect, and store all with this one bottle. No need to prepare a separate storage solution, making daily care smooth.
Product overview
Rohto C Cube Hydro One is a disinfecting solution for soft contact lenses manufactured and sold by Rohto Pharmaceutical. Its outstanding cleaning power features dual cleaning of lipid deposits that tend to adhere to silicone hydrogel lenses along with protein deposits (compared to our previous products). The 4 steps of rub washing, rinsing, disinfecting, and storing are all completed with this one bottle, compatible with all soft contact lenses from Group I to Group IV (including disposable lenses).
The active ingredient polyhexanide hydrochloride (PHMB) disinfects various bacteria with high disinfecting power, and the moisturizing ingredient sodium hyaluronate supports comfortable lens wear. This all-in-one care solution pursues the perfect balance of cleaning power, disinfecting power, and moisture.
Product features
01
Dual cleaning of lipids + proteins
Designed for silicone HG lenses
Effectively removes protein deposits as well as lipid deposits that tend to adhere to silicone hydrogel lenses (compared to our previous products). Suitable for all soft and disposable lenses.
02
High disinfecting power
Polyhexanide hydrochloride (PHMB)
Contains the highly bactericidal active ingredient polyhexanide hydrochloride. Effectively disinfects various bacteria and supports a clean lens environment. Combining with rub washing achieves even higher cleaning effectiveness.
03
Contains moisturizing ingredient sodium hyaluronate
Sodium hyaluronate
Contains moisturizing ingredient sodium hyaluronate for a comfortable wearing experience. Focuses not only on cleaning and disinfection but also on supporting comfortable lens wear.
04
Completes 4 steps in 1 bottle
All-in-one formula
Rub wash, rinse, disinfect, and store all with this one bottle. No need to prepare a separate storage solution, simplifying daily Contact care. Comes with a lens case.
Active ingredients & components
Indications & Effects
Disinfection of soft contact lenses (Group I to Group IV)
Usage & Dosage
| Step |
Operation |
| ① Rub Wash |
Apply a few drops of this solution to the lenses and gently rub both sides 20–30 times with your fingers |
| ② Rinse |
Thoroughly rinse both sides of the lenses that have been rubbed with this solution |
| ③ Disinfection & Storage |
Fill the lens case with this solution, completely immerse the lenses, close the lid, and leave for at least 4 hours |
Always wash your hands thoroughly with soap before use. 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 lenses and use fresh solution each time. Use within one month after opening. This product is exclusively for soft contact lenses. Not for use with hard or O2 lenses.
Rohto C Cube Soft One Series Comparison
| Comparison items |
[Hydro One] |
Soft One Colors |
Soft One Cool a |
Soft One Moist a |
| Type |
Designed exclusively for silicone HG lenses |
Colored lens compatible type |
Cool type |
Moisturizing type |
| Active ingredient (disinfection) |
Polyhexanide hydrochloride (PHMB) |
Polyhexanide hydrochloride (PHMB) |
Polyhexanide hydrochloride (PHMB) |
Polyhexanide hydrochloride (PHMB) |
| Moisturizing and care ingredients |
Sodium hyaluronate |
Poloxamer |
Poloxamer |
Poloxamer |
| Cleaning power features |
Dual lipid and protein cleaning (compared to our conventional products) |
Protein stain removal |
Protein stain removal |
Protein stain removal |
| For silicone HG lenses |
✅ Especially optimized design |
All soft lenses |
All soft lenses |
All soft lenses |
| Colored lens compatible |
— |
✅ Designed specifically for colored lenses |
— |
— |
| Refreshing feeling |
None (mild) |
None (mild) |
With (cool sensation) |
None (mild) |
| Compatible lenses |
All Group I–IV soft lenses |
Group I–IV plus colored lenses |
All Group I–IV soft lenses |
All Group I–IV soft lenses |
| For these users |
For silicone HG lens users concerned about lipid deposits |
For users of colored or circle lenses |
For those who prefer a cool, refreshing feeling |
For those who prioritize rich moisture |
🌱 Brand Story
Rohto C Cube is a contact lens care brand developed by Rohto Pharmaceutical Co., Ltd. Founded in 1899, Rohto Pharmaceutical has long conducted research and development in ophthalmology, focusing on eye drops. With the spread of silicone hydrogel lenses, Hydro One was developed to better address lipid deposits that conventional cleaners could not fully remove. It balances cleaning power, disinfection, and moisture at a high level to meet the diverse needs of modern contact lens users.
⚠️ Usage Precautions
- This product is for cleaning, rinsing, disinfecting, and storing soft contact lenses only. Do not ingest.
- Always perform rubbing cleaning. Skipping rubbing cleaning may result in incomplete disinfection.
- 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. Do not return used solution to the bottle.
- If you have ever had eye allergy symptoms (redness, itching, swelling, etc.) or are under treatment by an ophthalmologist, consult your ophthalmologist before use.
- If you experience pain, redness, blurred vision, or other abnormalities during use, remove the lenses immediately and consult an ophthalmologist.
- When used by children, ensure use under the guidance and supervision of a guardian.
- Do not use with hard or O2 lenses.
📦 Storage Precautions
- After use, close the cap tightly, avoid direct sunlight, and store at room temperature.
- Keep out of reach of children.
- To avoid misuse and maintain quality, do not transfer to other containers.
- Use within one month after opening.
- It is recommended to regularly replace the lens case with each product purchase.
- Do not use products past their expiration date.
● Features
Perfect for silicone hydrogel lenses!
Powerful cleaning that removes even stubborn lipid deposits, preventing lens fogging
Cause of lens fogging: lipid removal
Cause of discomfort: protein removal
○ All in one bottle!
Disinfection / Cleaning / Rinsing / Storage
Protein removal / Lipid removal
Disinfectant solution for soft lenses
Commitment to formulation
1. Double cleaning removes not only protein deposits but also lipid deposits that easily adhere to silicone hydrogel lenses!
2. High disinfecting power
Disinfects various bacteria, keeping lenses clean!
* Do not forget to rub and clean.
3. Plenty of moisture
Contains moisturizing ingredient sodium hyaluronate
Feel it! Comfortable with clear vision!
This product can be used for all soft and disposable lenses.
Commitment to ease of use of lens case
○ Easy one-touch open and close!
○ Insert into the cap for proper drying!
○ Integrated with the case so you won’t lose the lid!
●Efficacy/Effects
Disinfection of soft contact lenses (Groups I to IV)
●Dosage and Administration
1. Put a few drops of this solution on the soft contact lens and gently rub each side 20 to 30 times with your finger.
2. Rinse both sides of the washed lens thoroughly with this solution.
3. Fill the lens case with this solution, completely immerse the lenses, and tightly close the lid. Leave it for 4 hours or more.
<How to use>
◎ Follow the instructions below and care properly. Rub and clean the lenses every time you wear them and replace with fresh solution.
Always wash your hands well with soap before handling soft contact lenses.
Step 1 ... Rub and clean
Place the soft contact lens removed from your eye on your palm. Put a few drops of this solution on the lens surface and gently rub each side 20 to 30 times with your finger.
Step 2 ... Rinse
Rinse both sides of the rubbed contact lens thoroughly with this solution.
Step 3 ... Disinfection and storage
Fill the lens case with this solution, completely 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.
* To avoid contamination, do not let the tip of the container touch the lens case, solution surface, contact lenses, or fingertips.
●Ingredients/Quantity
Active ingredient (per 1 mL)
Polyhexanide hydrochloride 0.001 mg
[Other ingredients]
Viscosity agent, isotonic agent, buffer agent, stabilizer, surfactant, pH adjuster
Specified ingredients: edetate salt
●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 drink.
2) Be careful not to let the tip of the container touch contact lenses, fingertips, etc., as bacteria may contaminate or cloud the solution. Do not use if the solution is cloudy or discolored.
3) Do not use this solution for boiling disinfection. Do not mix with other disinfectant solutions for soft contact lenses.
4) Always discard the solution in the lens case after removing lenses and use fresh solution each time. Do not return used solution to the bottle.
5) Do not use the product past its expiration date.
■Consult
1) Consult an ophthalmologist before use if:
a. You have had allergic eye symptoms before (e.g., eye redness, itching, swelling).
b. You are under treatment by an ophthalmologist.
2) If you experience pain, redness, tearing, discharge, discomfort (or 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 serious eye disorders such as infections or corneal ulcers.
<Other precautions for use>
[Must be observed]
1) Strictly follow the usage instructions in this leaflet. Incorrect use may result in incomplete disinfection, causing infections or serious eye disorders such as corneal ulcers. Untreated, these may lead to blindness.
2) Always wash your hands with soap and rinse well before handling lenses.
3) Always rub and clean lenses.
4) Always observe the specified disinfection time (4 hours or more). Do not wear lenses before disinfection is complete.
5) Using an unclean lens case may cause bacterial growth, leading to infections or serious eye disorders such as corneal ulcers. After removing lenses, empty the lens case, rinse well with fresh solution, and air dry naturally.
6) When used by children, use under the guidance and supervision of a guardian.
7) Even if no abnormalities are felt in the eyes, have regular check-ups by an ophthalmologist.
