Choice) Rotopai has a refreshing feeling.

Lotto Zypai

I like eye drops that provide a refreshing sensation, so I used the strongest Rotozipainu Level 8, but now I am using Level 5. Level 8 really provides a strong refreshing feeling, but I use a moderate strength eye drop to prevent irritation to my eyes from the strong stimulation.
In our neighborhood, it costs 8,000 won, but I bought it in a friend's neighborhood for 4,000 won^^ The airport sells it for 12,000 won.
Since I use it frequently, I asked a friend to help me use it.
If you're looking for a refreshing sensation, I recommend Rotozipai.
If you feel some stimulation at level 5, use level 4. It's just a one-step difference, but the difference is quite noticeable.