Microneedling is an excellent treatment to generate a newbuilding of skincells and rejuvenate the skin. The skin structure will be better, pigmentation can go away, the pores will be refined, wrinkles can be flattened. Also against scars it is helpful. The idea of microneedling is to hurt the skin with micro injuries which is stimualting a wound healing process. This process goes always with producing collagen and elastin, which is important for a thightened skin. The second good reason for the microneedling is that we bring in active components in a concentrate with an impact of 3000 times higher than without, so it goes also deeper into your skin.
Of course you have already an use when you do it one time. But it is more efficient when you do it more often.
I recommend a repetition after 4 weeks, at least for 3 to 6 times.
Special when you have skin problems or mature skin it takes more needling treatments and more time.
You can do the microneedling also as a prevent procedure.
I recommend as well to use a concentrate for home use to support the process. Ist important that you use high quality products at home. I work with medical cosmetics from the brand med beauty swiss which are high concentrated and devised to go deep into your skin where it is necessary. Effects are in scientific studies proofed.
It depends on your sensibility and on the deepness we use with the needles. How deep we needle depends on different things. In general it is good tolerated and there's no need to anaesthesize the skin. (which is actually better because the cream to anaesteshize is not what we want to put deeper into your skin)
Microneedling should not be done when your skin is inflamed or sun burnt, when you take cortison, by infections, when you have a acut herpes simplex infection, open wounds.