Co2 laser prettty cheap in Greece

Hi i had before an Co2 laser and it was very good for my face, and i will continue to do it til i get the result's that i want, in Greece i pay 200 euros(279.54 US$) to have one laser Co2 treatment
I dont know why in US is so expensive because 2000$ per treament is very very expensive

So i want to ask if someone knows what combination with Co2 is the best no matter the cost for face

Vitamin C /E intake before Laser Pell

hi , i wonder if its good or bad the intake of Vit C / E before, Laser Peel and after