What Facial EMS Is and How It Differs From Microcurrent
Medically reviewed by
4 independent reviewers
Andrew Conrad Barile, PT, DPT
Doctor of Physical Therapy (DPT) | Licensed Physical Therapist (PT) | CEO and Founder, Xtreem Pulse LLC
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Dr. Andrew Conrad Barile is a Doctor of Physical Therapy and the CEO and Founder of Xtreem Pulse LLC, the engineering company behind PureLift. He earned his Doctorate in Physical Therapy from Daemen College and is a licensed physical therapist.
He brings over two decades of clinical and entrepreneurial experience across physical therapy, craniosacral therapy and medical device innovation, built on a working knowledge of human anatomy and muscle physiology.
For PureLift LAB he reviews how current is delivered across all ten levels, from sub-sensory nanocurrent and skin-level microcurrent to motor-level EMS, and how the Infuse pass fits into the same ten-minute routine.
Bertica M. Rubio, M.D.
Board-Certified Physician, Dartmouth Medical School | Medical Director, Antiaging Regenerative Medicine Clinic
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Dr. Bertica M. Rubio is a board-certified physician and Medical Director of the Antiaging Regenerative Medicine Clinic in Redlands, California. She earned her Doctor of Medicine from Dartmouth Medical School and completed her pediatrics residency at UC Irvine Medical Center.
With decades of clinical experience, she specialises in age management medicine, regenerative medicine, wound healing and growth factor therapies, and her practice integrates evidence-based medical science with advanced aesthetic treatment.
For PureLift LAB she reviews articles for medical accuracy across the whole dial, from the gentle nanocurrent and microcurrent settings through to muscle-level EMS and the Infuse pass.
Daniel Grinberg, MD, FACS
Board-Certified Otolaryngologist | Head and Neck Surgeon | Fellow, American College of Surgeons | Mount Sinai
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Daniel Grinberg, MD, FACS is a board-certified otolaryngologist and head and neck surgeon at ENT and Allergy Associates in West Nyack, New York. He earned his medical degree from Columbia University College of Physicians and Surgeons.
He completed his otolaryngology residency at New York University Medical Center, serves as Assistant Clinical Professor at Mount Sinai School of Medicine, and is a Fellow of both the American College of Surgeons and the American Academy of Otolaryngology.
For PureLift LAB he brings a wider clinical lens, connecting at-home facial stimulation from microcurrent to EMS to the anatomy underneath, with the same rigour we apply to every device specification.
Prof. Dr. med. Ivo Buschmann
Chair of Angiology, Medizinische Hochschule Brandenburg | Clinic Director, University Clinic for Angiology
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Prof. Dr. med. Ivo Buschmann is Chair of Angiology at the Medizinische Hochschule Brandenburg Theodor Fontane and Clinic Director of the University Clinic for Angiology at the Brandenburg University Hospital.
He trained at the University of Hamburg, was a Max Planck Society Fellow at the Max Planck Institute for Heart and Lung Research, and held senior consultant posts at the Charite Universitatsmedizin Berlin before his appointment as Chair in 2016.
One of Europe's leading authorities on arteriogenesis, with over 150 peer-reviewed publications and US and EU patents, he reviews for PureLift LAB how the evidence on electrical stimulation is read and where its limits lie.
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EMS stands for electrical muscle stimulation, and it means current strong enough to make a nerve fire a muscle.
This article explains what is actually happening, such as:
- The threshold that defines it
- What contracting a facial muscle achieves
- What it does not do
- Frequency and why it matters
- What a session is actually like
and many more!
You can see the difference: with EMS the muscle visibly contracts, and with the lower bands nothing moves.
Key Points:
The motor threshold is the current level at which a nerve fires a muscle, and EMS is defined by crossing it.
Facial EMS devices publish single-digit milliamps; microcurrent devices publish hundreds of microamps.
Kavanagh's 12-week trial measured an 18.6 percent increase in cheek muscle thickness with motor-level stimulation.
A session is ten minutes with three minutes per side as the maximum on any PureLift model.
It works muscle, so it does not replace lost volume and does not thicken the dermis.
The threshold that defines it
Ward's work sets out three thresholds as current rises. At the lowest you feel nothing. Higher, you feel a tingle. Higher still, the nerve fires and the muscle contracts (PMID 19095805).
EMS is the category that reaches the third. Everything sold as microcurrent or nanocurrent sits deliberately below it, which is why those devices feel like almost nothing and why no setting on them moves a muscle.
On PureLift the crossover is at level 3; levels 1 and 2 are nanocurrent and microcurrent, and levels 3 to 10 are EMS.
What contracting a facial muscle achieves
Muscle responds to load, and a contraction is load. Facial muscles are part of the structure that holds the midface and jawline up, so their tone affects how the face above them sits.
Kavanagh and colleagues followed 108 women through 12 weeks of motor-level facial stimulation and measured an 18.6 percent increase in cheek muscle thickness (10.1111/jocd.12007). Chang and colleagues ran a double-blind sham-controlled trial (10.3390/ijerph17113783), and Kwak and colleagues used a split-face design (10.52660/jksc.2023.29.6.1505).
Those are category studies rather than trials of any one consumer device, and the twelve-week figure is the one to hold on to; this is a months-long process, not a fortnight one.
What it does not do
It does not replace volume. Fat compartments losing fullness is a separate change and fillers address it, not current.
It does not thicken the dermis or tighten skin the way heat-based treatments aim to, because electrical stimulation does not heat tissue.
It does not reposition the SMAS, which is what a surgical facelift does.
Knowing the boundary is what makes the claim inside it believable.
Frequency and why it matters
Hold a nerve at one fixed frequency and it accommodates, so the response falls away while the current stays the same and the session becomes less comfortable.
PDM, Pulsed Dynamic Modulation, cycles through 361 frequency points between 1,370 and 1,730 Hz rather than holding one. Downey and colleagues tested the principle in a neuromuscular protocol (PMID 21996798), and Papaiordanidou and colleagues report a case where modulation did not help (10.1371/journal.pone.0084740).
Pro Plus and GLOW add PDM++, a bipolar pulse that builds and releases charge gradually so the same power lands more smoothly.
What a session is actually like
Apply a water-based serum generously, set the level, and work upward and outward along the muscle. You will see the contraction in the mirror, which is the reliable check that motor-level current is being delivered.
Ten minutes, ending automatically, with a maximum of three minutes per side. Reapply serum if the probe starts to drag, since that means a dry patch rather than a need for more power.
Sit at a level you can hold comfortably rather than the highest you can tolerate; the muscle does not respond better to being punished.
Who it suits
People whose concern is contour, a softening jawline or a flattening cheek, since that is what muscle tone affects.
People who will use it consistently for months, because the research protocols ran for twelve weeks and there is no shortcut.
It suits you less if your concern is texture alone, in which case the low bands are the right target, or if the change you see is volume loss, in which case a clinician is the honest answer.
Standard electrical contraindications apply and are in the instructions for your model; if you are pregnant, have an implanted electrical device, or have a diagnosed condition, ask a qualified professional first.
For the full breakdown of which technology sits where on the dial, see how the nine PureLift technologies work.