Anyone use this Numbuzin no 9 serum?

IHas anyone used this serum? And if yes, where do you put it in? It’s got a bunch of ingredients in it that I like but am curious if it actually works. I’ve got very sensitive, combo, occasional acne skin with redness.

IHas anyone used this serum? And if yes, where do you put it in? It’s got a bunch of ingredients in it that I like but am curious if it actually works. I’ve got very sensitive, combo, occasional acne skin with redness.