Need for help skin care

[Slyfex8]

My main goal would be to make my skin firmer, especially to reduce some lines on one side of my face, I would like to buy:
- Dermaroller
- Vitamin C + E serum
- Retin-A

But I don't know if I can use Retin-A at the same time as dermarolling, so that's my question.

 

[fobos]

You can