"치약"

Translation: Toothpaste

[CF00l]

齒藥

[Iron_Venema]

Not sure, but 치 can be translated to tooth and 약 to medicine. Combining makes tooth-medicine, but i don't know if this is correct.

[SvedishPlumber]

You're exactly right!

https://koreanhanja.app/齒藥

[TalvirChri]

On my toothpaste it is written "yakcho")))