Table 1.
Differences between Latanoprost eye drops (Kaken pharmaceutical Co., Ltd.) and Xalatan eye drops.
| Latanoprost eye drops | Xalatan eye drops | |
|---|---|---|
| Additives | Benzalkonium chloride additive (concentration not open to the public) | Benzalkonium chloride additive (0.02%) |
| Polyethylene glycol monostearate | Isotonizing agent | |
| Polyoxyl 40 stearate | Dibasic sodium phosphate hydrate | |
| Isotonizing agent | Sodium dihydrogen phosphate anhydrous | |
| Dibasic sodium phosphate hydrate | ||
| Sodium dihydrogen phosphate anhydrous | ||
|
| ||
| Osmotic pressure ratio | 0.9–1.0 | 1.0 |
|
| ||
| Storage | Room temperature storage/protection from light | 2–8°C/protection from light |