How Long Results Last by Treatment
Every piece of arithmetic on this site divides by this number, so it's worth getting right.
A price only means something against a duration. Two quotes that look a hundred apart can be identical in cost per month, or wildly different in the other direction, and you can't tell until you know how long each one holds. This page is the denominator.
One warning before the ranges. These are ranges, and they're wide on purpose. Anybody who gives you a single confident figure for your face is guessing, because dose, placement, product, muscle strength and your own metabolism all move the number more than the brand does.
Neuromodulators
The commonly cited figure is around three to four months, with a real range running from roughly two to six.
What moves it: the dose, which is the big one, since an underdose fades early and disappoints people who then blame the product. Also the area treated, how strong the muscle is, how much you use it, and how quickly you metabolise. Some people are simply fast metabolisers and there's nothing to be done about that except plan for a shorter interval.
A useful pattern: many people find the first few rounds fade faster and later ones hold a bit longer, as the treated muscle does less work over time. Treat that as a possibility rather than a promise.
Dermal fillers
Much longer and much more variable. The usual span quoted is somewhere between six months and about two years.
Placement is the main driver. Areas that move constantly, lips being the obvious example, burn through filler faster than areas that sit still. Product matters too, since the gels differ in how they're made and how long they persist. And the amount matters, because a conservative treatment reaches the point of looking untreated sooner than a fuller one.
The other thing worth knowing is that filler doesn't stop abruptly. It softens, gradually, so the question isn't when it's gone but when you'd want it refreshed. That's a judgement call and it's yours.
Biostimulators
Different shape entirely. The result builds over a few months after a course, then holds on a longer horizon than filler, with figures around two years commonly quoted after a full course.
The catch is the runway. You're paying up front for a series and waiting months for the effect, so the duration only starts counting from well after your last appointment. Factor that into any per-month comparison, or you'll flatter the result.
Microneedling
Sold as a course for good reason. The collagen response builds over the weeks after each session and the visible improvement accumulates across the series rather than arriving at the end of any one appointment.
Once the course is done, maintenance is usually described in terms of a session every six to twelve months. The improvement itself isn't permanent in the sense of frozen in place, because the skin keeps ageing on its normal schedule underneath. What you're buying is a better starting point, maintained.
RF microneedling
Longer, typically. Once a course is complete you'll often see a figure around a year or more quoted before maintenance.
Same caveat as everywhere: that's the number for the plan working as intended, from a conservative estimate rather than a hopeful one, and the deeper thermal work is also why the course tends to be shorter and pricier per session.
Chemical peels
Enormously dependent on depth. A light peel is a freshening that you'd expect to repeat on a scale of weeks to a few months, often sold as a series of regular treatments.
Deeper peels last considerably longer and come with recovery to match. For pigmentation specifically, duration depends heavily on what happens afterwards, because sun exposure undoes the result faster than anything else you could do. That's the one case where the answer to "how long does it last" is genuinely partly up to you.
PRP facials
Generally described in modest terms, building over a course of sessions, with maintenance suggested somewhere in the six-to-twelve-month range afterwards.
Evidence quality here varies more than in the other categories and protocols differ between practices, so treat the range with more caution than the others on this page. Ask specifically what the practice expects, over what period, and what they'd do if nothing much happened.
What to do with these numbers
Take the conservative end, always. Then divide your full course cost by the months and compare that figure across practices and across treatments.
That single habit changes most decisions. Treatments with long intervals frequently beat cheap-sounding ones that come back round quickly, and packages priced against optimistic durations stop looking like savings the moment you use a realistic denominator.
Then ask the practice for their own figures and see whether they match. A practice that quotes you a range and explains what would move it within that range is telling you they've thought about your face. A practice that quotes a single confident number has told you something too. For a nearby place to put the question, myethosspa.com/locations/hoboken-nj/ is the Hoboken page of Ethos Aesthetics + Wellness, which is physician-led. Ask them for their intervals, treatment by treatment, and check them against the ranges above.
Reading past the marketing
If you'd rather check any of this against something other than a brochure, that's a reasonable instinct and it doesn't have to cost anything. Union City Public Library offers free access to reference material and databases, which is a better starting point than a search engine for anything where the first ten results are all trying to sell you something.
For the ordinary business of which practices exist and which are established, the member listings kept by the New Jersey Chamber of Commerce cover the state and local coverage like Union City, NJ News covers what's changed nearby. Both answer narrow questions about existence and reachability. Neither knows how long anything will last on your skin, and neither do I with any precision.
What I can tell you is that the range is the honest form of the answer, and that using the bottom of it for your budgeting is the difference between a plan you finish and a plan you abandon in month seven.