I don't beleive Dermapen would help the overall face, if your talking about the crease or depression on your lower cheek it could possibly help. I also think some glycolic peels (many over a few years) could help with the skin. Your 19 so your skin will get better. I would see a dermatologist or a med spa if your able. Anything too harsh may cause you issues as you had before. Lasers: V-beam, Excel V, IPL, or 1064nm can help with the PIE or after effects of acne (red spots).

Don't worry @Niki1233 ! A roller or pen may help your skin produce the collagen it needs if you want the wrinkles or any acne scars to be filled in. You may also want to use brightening serums or oils out there, those with Vitamin C, to help with the dark spots/acne spots and the pen may help the serum be absorbed better by your skin.

Don't lose hope!