How many microneedling sessions are needed?
A session count only means something next to the goal and device it was written for.
Why there is no session count
This page does not give a session count. The sources it reads do not back one number for everyone, and a count without a stated goal and method is the kind of claim that outruns its specification. Ask for the count together with the goal, the device and the spacing it assumes.
One label, several methods
"Microneedling" is a label that covers more than one method. The dermatology review of applications, techniques and outcomes is a long read that shows how varied the techniques are. The narrative review of radiofrequency microneedling in plastic surgery practice looks at a variant that adds radiofrequency, so its findings should not be copied onto plain microneedling without checking.
For plainer wording, the AAD page on how microneedling can fade scars and uneven tone and the Cleveland Clinic microneedling page are the references to compare against a clinic's package. When a package lists a number of sessions, check which of these methods the number belongs to.
Fields to ask each provider for
Ask what the session count is meant to achieve, which device is used, and how far apart the sessions are. Ask whether the plan is reviewed after the first sessions or fixed up front. Write the answers down so two providers can be compared on the same fields.
Who sets the plan
Session plans are clinical decisions and this site only compares how they are described, so a licensed clinician who has seen your skin is the right person to set one.