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Published on: 4/9/2026
Microneedling can help stubborn scars by stimulating collagen and elastin, improving texture and gradually softening acne pits, some surgical scars, and stretch marks. There are several factors to consider; see below for who benefits, how many sessions are typical, and what influences results.
If a scar is raised or growing it could be a keloid, and needling may worsen it, so a clinician may instead recommend medical treatments like steroid injections, silicone therapy, lasers, cryotherapy, or combined plans; see the safety checks, red flags, and when to see a doctor below so you choose the right next step.
Scars can be frustrating. Whether they came from acne, surgery, injury, or even piercings, some scars simply don't fade with time. You may have tried creams, oils, or home remedies with little improvement. If that sounds familiar, it may be time to consider microneedling—a medically supported treatment that stimulates your skin to repair itself.
But before jumping into treatment, it's important to understand why scars linger and what medical steps may be necessary.
Your skin heals by producing collagen. Collagen is the protein that gives your skin structure and strength. When the healing process works smoothly, scars gradually flatten and fade. But sometimes, things don't go as planned.
Scars may persist or worsen because:
If your scar is raised, firm, itchy, painful, or continues to grow beyond the original injury, it may not be a simple scar. In some cases, it could be a keloid—especially if it developed after a piercing or other skin trauma.
To help determine whether your raised scar might be Keloids (Including Piercing Keloids), you can use a free AI-powered symptom checker that evaluates your specific symptoms and provides personalized guidance before your doctor visit.
Microneedling is a minimally invasive dermatologic procedure that uses very fine, sterile needles to create controlled micro-injuries in the skin. These tiny punctures trigger your body's natural healing response.
The result?
Microneedling does not "damage" the skin in a harmful way. Instead, it stimulates your body to repair tissue more effectively.
Microneedling is especially effective for:
These scars form when collagen loss leaves depressions in the skin. Microneedling encourages collagen rebuilding, which can gradually fill in these indentations.
Multiple sessions are usually needed—often 3 to 6 treatments spaced several weeks apart.
Older surgical scars can soften and flatten over time with microneedling. It works best on:
Fresh wounds should never be treated with microneedling.
Stretch marks are technically a type of scar. Microneedling may improve their appearance by stimulating collagen remodeling, especially when they are newer (reddish in color).
Microneedling is not always appropriate for raised scars like keloids. In fact, in some cases, trauma to the skin can worsen keloids.
That's why it's critical to get a proper diagnosis before treatment.
Microneedling is powerful, but it's not a cure-all. Some scars require additional medical intervention.
You may need more than microneedling if:
In these cases, a dermatologist may recommend:
Microneedling can sometimes be combined with other treatments, but this should always be guided by a qualified medical professional.
If you're considering microneedling, here's what typically happens:
Recovery is generally quick. Most people return to normal activities within a day or two.
However, visible improvement takes time. Collagen remodeling can take weeks to months.
Microneedling is generally safe when performed by trained medical professionals. However, risks can include:
Microneedling should be avoided if you have:
This is why a professional evaluation matters.
Scars are more than skin deep. They can affect self-esteem, confidence, and even social comfort.
It's okay to want improvement. It's also important to have realistic expectations.
Microneedling does not erase scars completely. Instead, it improves:
Most patients see gradual improvement, not overnight transformation.
At-home dermarollers are widely available, but they come with limitations and risks.
For true scar remodeling, professional microneedling is far more effective and safer.
You should speak to a doctor if:
While most scars are not life-threatening, unusual skin changes should never be ignored. If something feels off, get medical advice. Early treatment can prevent worsening.
If your scars have stopped improving and topical treatments aren't helping, microneedling may be the next logical step.
It works by:
But it's not one-size-fits-all. Raised scars, especially keloids, require careful evaluation before any skin procedure.
If you're concerned about raised scars from piercings or other injuries, it's worth checking whether you might be dealing with Keloids (Including Piercing Keloids) using a free online symptom assessment tool—this can help you gather useful information before consulting with a healthcare provider for a proper diagnosis and treatment plan.
Scars that won't fade are common—but they are not hopeless.
Microneedling is a medically supported treatment that helps many people improve the look and feel of stubborn scars. When paired with proper diagnosis and, if necessary, additional medical therapies, it can make a meaningful difference.
If you're considering microneedling, speak with a qualified dermatologist or healthcare provider to determine whether it's appropriate for your specific scar type. And if any skin change seems unusual, persistent, or concerning, seek medical attention promptly.
Your skin has remarkable healing potential. Sometimes, it just needs the right nudge.
(References)
* Hou M, Jin X, Geng J, et al. Microneedling for the treatment of scars: A review. J Cosmet Dermatol. 2018 Dec;17(6):1037-1044. doi: 10.1111/jocd.12759. Epub 2018 Oct 12. PMID: 30527339.
* Singh A, Yadav S. Microneedling: A comprehensive review. Indian Dermatol Online J. 2020 Sep 28;11(5):697-704. doi: 10.4103/idoj.IDOJ_247_20. PMID: 33135061; PMCID: PMC7583685.
* Alster TS, Graham PF. Microneedling: advances and wider applications. Clin Cosmet Investig Dermatol. 2018 Jan 5;11:49-57. doi: 10.2147/CCID.S155702. PMID: 29329712; PMCID: PMC5759715.
* Liguori A, Liguori A, Borghi A. Microneedling: A new therapeutic alternative for scars and photoaging. J Cosmet Dermatol. 2016 Jun;15(2):107-16. doi: 10.1111/jocd.12217. Epub 2016 Mar 23. PMID: 27014691.
* El-Domyati M, Youssef SM, Abdel-Wahab HM, et al. Microneedling as a treatment for acne scars: A systematic review and meta-analysis. J Cosmet Dermatol. 2023 Mar;22(3):805-816. doi: 10.1111/jocd.15545. Epub 2023 Feb 2. PMID: 36733221.
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