1 month before: no facial or chemical peels  2 weeks before: stop using skin thinning & lightening products like Retinol, Glycolic Acids, Hydraquinone… 2 weeks before/after: Make sure that your Botox or Fillers are done either 2 weeks prior or post microneedling.  1 week before: no waxing of the area to be treated 48hrs before: avoid sun exposure as sunburns cannot be treated with microneedling Other things to consider: Consult your doctor about preventative medication if you are prone to cold sores.