I recommend Wellage ampoules.

I wanted to recommend an ampoule I've been really into lately.
It is 'Wellage Real Hyaluronic Blue Ampoule'.
This ampoule is incredibly moisturizing, making it perfect for dry skin, and the hyaluronic acid penetrates deep into the skin to create hydrated and elastic skin!
And best of all, this ampoule absorbs quickly, so it feels great without any stickiness after application. Olive Young often has sales on it, so give it a try then.