YOU SAID:
this product contains nicotine
INTO JAPANESE
この製品にはニコチンが含まれています
BACK INTO ENGLISH
This product contains nicotine
INTO JAPANESE
この製品にはニコチン
BACK INTO ENGLISH
This product includes nicotine
INTO JAPANESE
この製品にはニコチン
BACK INTO ENGLISH
This product includes nicotine
That didn't even make that much sense in English.