세일러123
뉴티아 화이트닝 겔 좋네요
Nutia Whitening Gel is
It is easy to use and portable.
I use it often.
Since it's a silicone brush, even if you apply it roughly
It applies well to every nook and cranny
If you apply it and rinse it off with water after 30 minutes
It's a great item that's easy to use.