Procedure guide
What radiofrequency microneedling does, what it treats, and how it compares with lasers.
Written by Orr Shauly, MD, plastic surgery resident. Updated .
For information and education only, not medical advice.
The short answer.
Radiofrequency microneedling uses fine needles to deliver radiofrequency heat into the dermis, the deeper layer of the skin, which triggers collagen remodeling to improve acne scars, texture and mild laxity with limited injury to the surface.1,2 In randomized trials it improved acne scars somewhat less than fractional CO2 laser, but with less pain, shorter redness and a much lower risk of dark spots.3 It suits mild to moderate changes and is described as an adjunct to, rather than a replacement for, surgical procedures.1
- 41 Studies
- systematic review
- Studies across skin conditions and skin types in a 2026 review that found the treatment safe, well tolerated and effective for several indications.2
- 16 Studies
- acne scar evidence
- Studies of RF microneedling alone for acne scars, which found it likely effective as a single treatment.4
- 4.44
- pigmentation risk ratio
- Higher risk of dark spots after fractional CO2 laser than after RF microneedling across 8 randomized trials.3
- 90%
- satisfied
- Patients satisfied or very satisfied 6 months after a single skin tightening treatment in a 20-patient study.5
What radiofrequency microneedling is.
Microneedling creates tiny controlled injuries that stimulate the skin's healing response. Radiofrequency microneedling adds heat delivered through the needles, which deepens the thermal effect in the dermis and enhances that healing cascade.1 In an animal study, treated skin showed zones of heat coagulation in the dermis followed by new collagen and elastic fibers within 28 days.6
It is used most for atrophic acne scars, skin texture, fine wrinkles and mild laxity of the face and neck, and it has also been studied for melasma, stretch marks, rosacea and underarm sweating.2,7 It does not lift sagging tissue the way surgery does.1
Who it may suit.
Good candidates want gradual improvement in acne scars, texture or early laxity with little downtime.2 Because the heat is delivered beneath the surface, it is considered lower risk for dark spots than resurfacing lasers in darker skin types, although few studies include the darkest skin types.8,9
Expectations matter, since results build over several sessions and depend on the condition being treated.2,4
How it compares with other treatments.
| Treatment | Approach | Evidence |
|---|---|---|
| RF Microneedling2,4 | Needles deliver heat into the dermis with limited surface injury | Consistently reduced acne scar scores, comparable to fractional lasers in a 41-study review |
| Fractional CO2 Laser3 | Laser vaporizes microscopic columns of skin | Greater acne scar improvement in 8 trials, with more pain, longer redness and more dark spots |
| Nonablative Fractional Laser10 | Laser heats microscopic columns without removing the surface | Better wrinkle and elastosis scores than RF microneedling in a 21-patient neck trial |
| Pin-Based Fractional RF11 | Heat delivered by pins resting on intact skin, without needle insertion | Consensus protocols for acne scars, pores, texture, wrinkles and stretch marks |
Head-to-head results depend on the goal. In a split-face trial of 30 patients, acne scar scores improved similarly with RF microneedling and fractional CO2 laser, but RF microneedling had shorter redness, pain and swelling and fewer dark spots.12 For underarm sweating, botulinum toxin outperformed RF microneedling in comparative studies.2
How a treatment session works.
- Numbing: A topical anesthetic cream is applied before treatment.5
- Depth: Needle depth is matched to the thickness of the skin in each area, targeting the deep dermis, from about 0.5 mm around the mouth to 1.5 mm on the forehead and neck and up to 2.0 mm on the sides of the nose.1
- Energy: Power and pulse duration control the size of the heated zones in the dermis.6
- Sessions: Most trials used a series of 3 sessions spaced 3 - 8 weeks apart.10,12,13
- Combinations: It is often combined with agents such as poly-L-lactic acid, platelet-rich plasma or polynucleotides, or with lasers, to enhance results.7,9
Recovery.
Recovery is brief compared with resurfacing lasers, and the timeline below comes from clinical studies of different devices.2,3
| Time | What Usually Happens |
|---|---|
| Same Day2,5 | Redness, swelling and a mild burning feeling, which resolved within hours in one study |
| First Few Days3,12 | Redness fades, on average about 1.7 days sooner than after fractional CO2 laser |
| Weeks 1 - 46 | New collagen and elastic fibers form in the dermis, as seen in an animal model |
| Months 3 - 65,14 | Tightening and other improvements continue to develop and were maintained at 6 months |
Side effects and safety.
Side effects are usually mild and short-lived. Across 41 studies, redness, swelling and temporary discomfort were most common, and dark spots were infrequent and resolved on their own.2
| Side Effect | How Often | Context |
|---|---|---|
| Redness, Swelling2 | Expected | Usually resolves within hours to days |
| Discomfort2,3 | Common | Less pain than fractional CO2 laser in randomized trials |
| Dark Spots3,8 | Infrequent | Transient in 7 / 35 studies in darker skin, and less common than after CO2 laser |
| Scarring8 | Rare | Permanent scarring reported in 1 / 35 studies in darker skin types |
Settings matter. Device parameters such as temperature, pulse width and cooling are inconsistently reported, which makes it hard to define the safest settings for each skin type.2
Results and how long they last.
For acne scars, a split-face trial measured scar scores falling from 54.73 to 30.53 after 3 sessions of RF microneedling.12 For skin tightening, a single treatment produced a median volume reduction of 12.1 mL in the lower face on 3D imaging at 6 months, and 90% of 20 patients were satisfied.5
For melasma, 12 studies showed improvement in severity scores maintained up to 6 months, with a low rate of dark spots in darker skin.14 In a sham-controlled study of 25 patients with underarm sweating, sweating severity improved on the treated side, and the number of sweat glands decreased on biopsy.13 Long-term durability beyond 6 months is not well studied.2
Alternatives.
Fractional lasers produce greater improvement in acne scars at the cost of more downtime, and microfocused ultrasound has been used to treat laxity, including in darker skin.3,9 For moderate to severe sagging of the face or neck, surgical options are more effective, and RF microneedling is used alongside them as an adjunct.1
What we don't know yet.
- Optimal Settings: The best depth, energy and number of sessions for each condition and skin type are not standardized.2,4
- Long-Term Results: Few studies follow patients beyond 6 months.2
- Device Comparisons: Devices differ in needle design and energy delivery, and head-to-head trials are rare.2
- Darkest Skin Types: Few studies include people with the darkest skin types.8,9
Common questions.
How many RF microneedling sessions are needed?
Most studies used a series of about 3 sessions spaced 3 - 8 weeks apart, although a single session was studied for skin tightening. The number depends on the condition and the response.
Does RF microneedling tighten skin?
It can modestly tighten mild laxity by stimulating new collagen, and one study measured tightening of the lower face 6 months after a single treatment. It does not lift sagging tissue the way a facelift or neck lift does.
Is RF microneedling safe for darker skin?
It is generally considered lower risk for dark spots than resurfacing lasers because the heat is delivered beneath the surface, and reviews report mostly temporary pigment changes. Few studies include the darkest skin types, so settings need care.
How is RF microneedling different from regular microneedling?
Regular microneedling relies on the needle injuries alone. RF microneedling adds heat delivered through the needles into the dermis, which strengthens the collagen response and adds a tightening effect.
Is RF microneedling better than laser for acne scars?
Fractional CO2 laser produced somewhat greater improvement in randomized trials, but RF microneedling caused less pain, shorter redness and fewer dark spots. The better choice depends on skin type, scar type and tolerance for downtime.
How long does redness last after RF microneedling?
Redness and swelling usually settle within hours to a few days, shorter than after fractional CO2 laser.
When can I return to work after RF microneedling?
Reviews describe minimal downtime, and many people return to normal activities soon after treatment. Your practitioner can give a personal estimate based on the settings used.
Is RF microneedling right for me?
Only an in-person evaluation can answer that. This guide is educational and cannot assess an individual case. A qualified plastic surgeon or dermatologist can review your skin, goals and alternatives with you.
Key terms.
- Radiofrequency Microneedling
- A treatment that delivers radiofrequency heat into the skin through fine needles to stimulate collagen remodeling.
- Microneedling
- Treatment with fine needles that create tiny controlled injuries to stimulate the skin's healing response.
- Dermis
- The deeper layer of the skin beneath the surface, which contains collagen and elastic fibers.
- Collagen Remodeling
- Replacement and reorganization of collagen in the dermis after a controlled injury, which firms and smooths the skin.
- Atrophic Acne Scar
- A depressed acne scar caused by loss of tissue beneath the skin surface.
- Post-Inflammatory Hyperpigmentation
- Darkening of the skin after inflammation or injury, more common in darker skin types.
- Fitzpatrick Skin Type
- A six-level classification of skin color and its response to sun, used to guide energy-based treatments.
- Fractional Laser
- A laser that treats the skin in microscopic columns, leaving untreated skin between them to speed healing.
- Erythema
- Redness of the skin, expected for a short time after energy-based treatments.
Research by Dr. Shauly on this topic.
References.
- 1.Shauly O, Marxen T, Menon A, Gould DJ, Miller LB, Losken A. Radiofrequency Microneedling: Technology, Devices, and Indications in the Modern Plastic Surgery Practice. Aesthet Surg J Open Forum. 2023;5:ojad100. PubMed
- 2.Kumar N, Kim HM, Nishikawa A, Heo CY, Wu WTL. Effectiveness of Radiofrequency Microneedling in the Treatment of Dermatological Conditions: A Systematic Review. Aesthetic Plast Surg. 2026;50(13):5282-317. PubMed
- 3.Argobi Y, Tobeigei F, Alasiri FI. Fractional CO2 Laser Versus Micro Needling Radiofrequency for Post Acne Scarring: A Meta-Analysis of RCTs. J Cosmet Dermatol. 2026;25(3):e70765. PubMed
- 4.Niaz G, Ajeebi Y, Alshamrani HM, Khalmurad M, Lee K. Fractional Radiofrequency Microneedling as a Monotherapy in Acne Scar Management: A Systematic Review of Current Evidence. Clin Cosmet Investig Dermatol. 2025;18:19-29. PubMed
- 5.Tanaka Y. Long-term three-dimensional volumetric assessment of skin tightening using a sharply tapered non-insulated microneedle radiofrequency applicator with novel fractionated pulse mode in asians. Lasers Surg Med. 2015;47(8):626-33. PubMed
- 6.Xu Y, Zhang Y, Wang H, Tang H, Zeng W, Wen X. Microneedle Radiofrequency Induces Extracellular Matrix Remodeling Through Fibroblast Activation: A Histological Study in a Porcine Model. Lasers Surg Med. 2025;57(6):528-43. PubMed
- 7.Wang Q, Ma C, Zhang L. A Scoping Review of Radiofrequency Microneedling: Clinical Application and Outcome Assessment. Aesthetic Plast Surg. 2025;49(18):5199-210. PubMed
- 8.Syder NC, Chen A, Elbuluk N. Radiofrequency and Radiofrequency Microneedling in Skin of Color: A Review of Usage, Safety, and Efficacy. Dermatol Surg. 2023;49(5):489-93. PubMed
- 9.Sanyal RD, Fabi SG. Energy-Based Devices for the Treatment of Facial Skin Conditions in Skin of Color. J Clin Aesthet Dermatol. 2024;17(6):22-32. PubMed
- 10.Almukhtar R, Wood E, Goldman M, Fabi SG, Boen M. The Efficacy and Safety of Radiofrequency Microneedling Versus a Nonablative Fractional 1,550-nm Erbium:Glass Laser for the Rejuvenation of the Neck. Dermatol Surg. 2022;48(9):937-42. PubMed
- 11.Waldorf HA, Ross V, Adatto M, Artzi O, Eubanks SW, Kaye KO, et al. Pin-Based Fractional Radiofrequency: 2024 International Consensus Recommendations for Aesthetic Skin Indications. J Drugs Dermatol. 2025;24(8):817-24. PubMed
- 12.Li W, Zheng C, Yuan X, Wu Z, Li C, Li C, et al. Comparative efficacy, recovery, and pigmentary safety of radiofrequency microneedling and fractional carbon dioxide laser for facial atrophic acne scars: a prospective randomized split-face trial. J Dermatolog Treat. 2026;37(1):2687842. PubMed
- 13.Fatemi Naeini F, Abtahi-Naeini B, Pourazizi M, Nilforoushzadeh MA, Mirmohammadkhani M. Fractionated microneedle radiofrequency for treatment of primary axillary hyperhidrosis: A sham control study. Australas J Dermatol. 2015;56(4):279-84. PubMed
- 14.Kumar N, Lin S, Luthra A, Patel T, Bhatia AC. The Efficacy and Safety of Radiofrequency Microneedling for Melasma: A Systematic Review and Qualitative Evidence Synthesis. Aesthet Surg J Open Forum. 2026;8:ojag075. PubMed