Could you recommend some skin ampoules?

These days, I wake up feeling tired and my complexion is so dull, which is a concern.

Could you recommend a skin ampoule that contains vitamins or whitening ingredients and is mild but improves skin tone?

I don't like it when it's too sticky because it makes my hair stick and feels heavy. I'm curious about a list of recommended skin ampoules that are refreshing and firm!

I've heard that people say their skin looks better after using this skin ampoule. Can you recommend me one?

This time, I really want to try something without fail.