Hello,I currently derma roll every 3-4 weeks with a .50 roller. I would also like to use a home microdermabrasion kit that I purchased but am not sure when to use it to be most beneficial? Should I do them both at the same time or derma roll and then wait a week or two before using the microdermabrasion? I am in my early 40's and I am very fair skinned. Don't know if that makes a difference. Thank you for your time. :)