ROHTO C3 Cube Eye Drops — 13 mL (Japan)

ROHTO C3 Cube delivers quick, refreshing moisture for screen-tired, dry, or irritated eyes. A balanced mix of mineral electrolytes (K+, Na+, Ca2+) helps replenish tear ions, while hypromellose and sodium hyaluronate lightly lubricate the surface. Menthol and camphor provide an awakening cool sensation in the blue variants—choose your preferred intensity. Compact 13 mL bottle; once opened, use within 3 months. ✨ Why you’ll love it • Fast relief for dryness, fatigue, and minor irritation • Mineral electrolytes help restore tear balance (K/Na/Ca) • Light lubricants (hypromellose + sodium hyaluronate) support comfort • Three cooling options—from gentle (no sting) to super cool • Can be used with or without contact lenses*; great for daily carry Variants (cooling level) • Pink — Gentle (No Cooling) Comfort without minty sting; ideal for sensitive eyes. • Light Blue — Cool (Level 5) Fresh, moderate cooling for everyday fatigue. • Deep Blue — Super Cool (Level 7) Intense cooling burst for heavy eye strain. Key ingredients • Potassium Chloride (0.08%), Sodium Chloride (0.44%), Calcium Chloride Hydrate (0.005%): mineral electrolytes to support tear ion balance • Hypromellose (0.1%): light lubricant for surface comfort • Sodium Hyaluronate: moisture retention • L-Menthol, D-Camphor: refreshing cooling (blue variants) • Also contains: boric acid/borax buffer, PEG castor oil derivative, poloxamers, disodium edetate, polyhexanide HCl (preservative) How to use • Instill 1–2 drops per eye, 5–6 times daily as needed. • Contact lenses: best to remove soft lenses before use; wait 10–15 minutes before reinserting. Hard lenses: use after removal as well.