How do you say I do not understand your words, but I like the cosmetics! in Japanese?

Machine translation

あなたの言葉はよくわかりませんが、私はそのコスメが気に入っています!

Translated automatically — no one has checked this one yet. Machine translation handles plain sentences well and misses tone, formality and idiom, which is exactly what the phrase pages on this site exist to capture.