Comparison

SkinPen vs Morpheus8

SkinPen has an FDA indication naming acne scars and neck wrinkles; Morpheus8 is cleared only for electrocoagulation and soft-tissue contraction. Morpheus8 adds radiofrequency heat to the needle channel, and is priced well above mechanical microneedling.
Written & medically reviewed by the Dermapedia team
At a Glance

SkinPen is the one with a real cosmetic FDA indication. Morpheus8 is not. That is the reverse of what most clinic pages imply, so it is worth stating precisely.

SkinPen Precision was granted through a De Novo request, DEN160029, on 1 March 2018. It was the first microneedling device authorised for marketing in the US, and it created the device category itself (21 CFR 878.4430, product code QAI). Its current indication (K202243, 2 April 2021) reads: "intended to be used as a treatment to improve the appearance of wrinkles of the neck for Fitzpatrick skin types II - IV and to improve the appearance of facial acne scars in adults with all Fitzpatrick skin types aged 22 years and older."

Morpheus8's clearances name no cosmetic use at all. The 2019 clearance (K192695) is for "Electrocoagulation and Hemostasis." A 2023 clearance (K231790) changed the wording to "coagulation/contraction of soft tissue or hemostasis," which InMode announced in July 2024. Acne scars, wrinkles, laxity, cellulite, stretch marks and the double chin appear in none of them. Treating those with Morpheus8 is off-label, which is legal and routine.

The physical difference is heat. SkinPen makes a channel with a needle and stops there. Morpheus8 makes the channel and then delivers radiofrequency current into the skin at the depth the operator chose. That added thermal injury is what the tightening claims rest on, and it is also why the treatment costs more and carries a different risk list.

SkinPen
mechanical microneedling, no energy
Morpheus8
RF microneedling, InMode

What it is

A motorised pen of fine needles, no energy source

De Novo DEN160029, granted March 2018; the device that created the microneedling category.

Insulated microneedles that deliver 1 MHz radiofrequency into the dermis

A rebuilt version of InMode's older Fractora platform, cleared using Fractora3D as the predicate.

Both
Neither authorisation is proof of benefit. A De Novo and a 510(k) are both marketing authorisations, not verdicts on how well something works.

How it works

Controlled mechanical injury only

Thousands of vertical channels trigger the normal wound-healing response - fibroblast activity, new collagen, elastin remodelling.

The same channel, plus a controlled burn at the bottom of it

Bipolar RF flows between pins. The pins are coated except the distal 0.5 mm, so the energy is released below the surface.

How deep it goes

0 to 2.5 mm, adjustable

The pivotal study used a maximum needle length of 2.5 mm, and the labelling instructs treatment at depths of up to 2.5 mm.

0.5 to 7 mm depending on the tip

InMode's manual lists 0.5 mm fixed (Resurfacing tip), 1-4 mm (12-pin Prime), 1-7 mm (24-pin) and 2-7 mm (40-pin Body). The highest depth in any FDA summary is 7.0 mm.

Both
The "8 mm" figure in Morpheus8 marketing is 7 mm of needle plus an estimated 1 mm of surrounding heat. It is a manufacturer figure, and depth is not something the FDA clears in the first place.

What it is best at

Atrophic acne scars, texture, fine lines, the look of large pores

It does not tighten lax skin and does not reach or heat fat, so it has no contouring effect.

Acne scars and texture, plus mild to moderate laxity

Acne scars are the best-evidenced use of RF microneedling as a class - one split-face trial found it roughly as effective as fractional CO2 with less downtime and fewer pigment events (Li 2026).

What it is cleared to treat

Facial acne scars, all skin types; neck wrinkles, Fitzpatrick II-IV only

The exact wording is quoted above. The neck restriction is easy to misreport - only the acne-scar half covers all skin types.

Electrocoagulation and haemostasis; later, coagulation/contraction of soft tissue

No cosmetic indication is named in any Morpheus8 clearance.

Both
This is the honest inversion. The cheaper, simpler device is the one with a named cosmetic indication; the expensive one is cleared in generic electrosurgical language.

Downtime

Redness like a moderate sunburn, roughly 24-72 hours

Mild swelling and pinpoint bleeding on the day. This is the conventional clinical description, not a labelled figure.

Similar redness, plus swelling, and a visible grid of dots

In one study of the device class, redness occurred in 100% of patients and swelling in 30% (Navyadevi 2024). Another put downtime at 3-4 days (Clementoni 2016). Barrier function returns to baseline by about day 7 (Wu 2022).

Both
Both are done with numbing cream. RF microneedling adds heat to the needling, which is why it is generally described as the more uncomfortable of the two - but no study has compared the pain of the two treatments, so that is clinical description rather than a measured finding.

Sessions

Commonly 3 to 6, about 4 weeks apart

Clinical convention, not a labelled figure.

InMode's manual says 1 to 6 treatments, every 3 to 6 weeks

"Generally 3-5 sessions are needed for mild to moderate depth settings."

Who tends to be happy with it

Best for
Acne scarring, rough texture and early fine lines, on a smaller budget.
The mindset
A course of gentler treatments, repeated.
Best for
The same concerns plus some skin laxity, in someone willing to pay considerably more and accept heat-related risks.
The mindset
Fewer, bigger, more expensive sessions.

Why Morpheus8 costs so much more

The main driver is the tip. RF microneedling tips are single-use and expensive, and the deeper or larger applicators cost more per tip. That cost passes straight into the price, and it is the main reason RF microneedling is priced well above mechanical microneedling.

For Morpheus8, the best dated price source is RealSelf's cost page, updated 10 May 2024: an average of $1,861, with prices starting at $549 for one small area and a full series costing upwards of $4,000. That figure comes from 124 self-reported consumer prices - it is not a survey, not audited, and not a random sample. No professional society publishes an average price for RF microneedling, and there is no comparable dated published figure for SkinPen.

A caution about the Morpheus8 evidence

Almost no published study used Morpheus8. A PubMed search returns about 16 records for the name, and no randomised controlled trial of the device was found. The evidence people are shown when they search "Morpheus8" was generated on other machines - Lutronic, Jeisys, Pollogen, Lumenis and unnamed devices. The class evidence is real, but it is not this brand's evidence.

Two further limits apply to the whole RF microneedling class. The longest properly measured follow-up in the literature is 6 months; claims of one to three years have no published source. And in the FDA's own postmarket database (MAUDE, 2013-2025), fat loss was 26 of 224 reported events - a proportion of reports with no denominator, so it cannot be turned into a per-patient risk, but it is a documented complication that the marketing does not discuss. A separate study that measured the submental fat layer after RF microneedling found no significant change (Wu 2024).

Before you book either one

Both break the skin, so both create an entry route for infection and both can wake up the cold sore virus.

  • If you get cold sores, say so at booking, not on the day. Antiviral medicine is started in advance.
  • There is no published HSV data specific to RF microneedling. The precaution is imported from laser resurfacing practice, where it is well established.
  • Ask which needle depth is planned and, for Morpheus8, what energy per pin. Above 62 mJ/pin, the Morpheus8 applicator is restricted on-label to Fitzpatrick skin types I-IV.

Get emergency help now

  • Fever, spreading redness that expands hour by hour, or pus from the treated skin - these are signs of infection that need urgent care, not a wait-and-see.

Call your provider if

  • Redness, swelling or pain is increasing after day three instead of settling
  • The dot pattern is still clearly visible beyond about a week
  • A cluster of small painful blisters appears - a cold sore flare needs prompt treatment
  • Skin blisters, crusts or scabs more than you were told to expect
  • A treated area looks hollow or sunken in the weeks afterwards

Related

Questions people ask+
Is Morpheus8 just SkinPen with heat added?Roughly, yes, in mechanism: both drive fine needles into the dermis, and Morpheus8 then releases radiofrequency energy from the tip of each needle. They are different device categories, though. SkinPen sits in the microneedling category; Morpheus8 is regulated as an electrosurgical device.
Which one is actually FDA-cleared for something cosmetic?SkinPen. Its authorisation names facial acne scars in all skin types and neck wrinkles in Fitzpatrick II-IV. Morpheus8's clearances name only electrocoagulation and haemostasis, and later coagulation or contraction of soft tissue. Neither status tells you how well the treatment works.
Can SkinPen tighten loose skin?No. Mechanical microneedling does not meaningfully tighten lax tissue and does not reach or heat the fat layer. If laxity is your main concern, SkinPen is the wrong tool.
Which is better for acne scars?Both are used for scars, and the evidence for the RF microneedling class is good - one split-face trial found it comparable to fractional CO2 with less downtime. But acne scars are named in SkinPen's authorisation and in no Morpheus8 clearance, so on paper the mechanical device is the one that was reviewed for that use.
Why is Morpheus8 more expensive?Mostly consumables. RF tips are single-use and expensive, and deeper or larger applicators cost more per tip - that is the main reason RF microneedling is priced well above mechanical microneedling. Session count, treated area and who performs it account for the rest. We do not have a dated price figure for SkinPen, so we will not give a multiple.
Does either one carry a risk of fat loss?Fat loss appears in the FDA's postmarket reports for RF microneedling - 26 of 224 reported events between 2013 and 2025. That is a share of reports, not a per-patient risk, and one controlled study measuring the submental fat layer found no significant change. Mechanical microneedling does not reach or heat fat, so this risk does not apply to SkinPen.
How long do the results last?For RF microneedling, the longest properly measured follow-up in the published literature is 6 months, and improvement was still holding at that point. Beyond six months there is no controlled data for either treatment, and neither stops ageing.