PRP Plus Microneedling for Acne Scars: What the Research Shows and What Results to Realistically Expect

Few aesthetic treatments have been marketed as enthusiastically as the “vampire facial.” As a physician, I appreciate the enthusiasm, but I also want patients to understand what the science actually says before they invest in a series of treatments. When the topic is acne scars, the answer is encouraging, with some important caveats.

This article explains how microneedling and platelet-rich plasma (PRP) each work, what published studies have found when the two are combined, what a treatment series looks like, and who should choose a different option.

How microneedling improves scars on its own

Microneedling uses fine, sterile needles to create thousands of tiny, controlled channels in the skin. Your body responds with a wound-healing cascade: inflammation, then new tissue formation, then remodeling. Over the following weeks and months, new collagen and elastin fill in and soften depressed scars.

Microneedling is well suited to rolling and shallow boxcar scars and has a relatively low risk of pigment problems, because it does not depend on heat or on light being absorbed by pigment. That makes it a reasonable option across a wide range of skin tones. You can read about our approach on the microneedling page.

What PRP is and why it is added

PRP is made from a small sample of your own blood. The blood is spun in a centrifuge to concentrate the platelets in a portion of the plasma. Platelets contain growth factors that play a role in normal wound healing. The idea behind combining the two is simple: microneedling creates the wounds, and PRP applied into those fresh channels may support and amplify the repair response.

In our practice, PRP is already part of treatments such as PRP hair restoration and under-eye PRP, and adding it to microneedling for acne scars is something we evaluate case by case.

What the research shows

Several clinical studies, including split-face trials where one side of the face received microneedling with PRP and the other side received microneedling with saline or distilled water, have reported better scar improvement on the PRP side. Systematic reviews have generally concluded that PRP appears to offer an additional benefit when combined with microneedling or fractional lasers for atrophic acne scars.

That said, I want to be clear about the limits of that evidence:

• Most studies are small, and many are from single centers.
• PRP preparation methods vary widely, so results from one study may not apply to every system.
• Scar-grading scales are partly subjective, and follow-up periods are often short.
• The added benefit is usually described as moderate, not dramatic.

My summary for patients: PRP is a reasonable, low-risk addition that may improve results and possibly shorten redness after treatment, but microneedling itself is doing most of the work.

What treatment looks like

1. Preparation. A numbing cream is applied, and a small blood draw is taken, similar to routine lab work.
2. Processing. The blood is centrifuged to separate the platelet-rich layer.
3. Treatment. Microneedling is performed with depth adjusted to scar location and skin thickness, and PRP is applied during and after the pass. Some scars may also receive small PRP injections.
4. Recovery. Expect redness similar to a sunburn for one to three days, mild swelling and some dryness or flaking. Most people return to work within a day or two.

A typical course is three to four sessions spaced about four to six weeks apart. Collagen continues to remodel for months after the final session, so the best time to judge results is several months out. For deeper boxcar scars, we may recommend combining with Morpheus8 radiofrequency microneedling or resurfacing instead.

Who should not have PRP microneedling

Because PRP depends on healthy platelet function and microneedling breaks the skin barrier, some people are not good candidates or should first talk with their physician:

• people with platelet disorders, significant anemia or bleeding disorders
• those taking blood thinners (never stop these on your own)
• anyone with active acne cysts, cold sores or skin infection in the treatment area
• people undergoing chemotherapy or with active cancer
• pregnant or breastfeeding patients
• those with a history of keloids or poor wound healing

Icepick scars and deep boxcar scars usually need additional targeted techniques, so PRP microneedling alone may disappoint patients whose scars are mainly those types.

Frequently asked questions

Is PRP microneedling better than microneedling alone?

Several studies suggest it gives moderately better improvement in acne scars, but the studies are small. Microneedling alone still produces meaningful results for many people.

Does PRP microneedling hurt?

With numbing cream, most people describe mild discomfort or a scratchy, vibrating sensation. The blood draw feels like a routine lab test.

How long do results last?

Collagen formed in response to treatment is long-lasting, though natural aging continues. Many people do an occasional maintenance session.

Can I combine PRP microneedling with other scar treatments?

Yes. It is often combined with focal scar treatments, subcision or resurfacing. Sequencing depends on your scar types and is planned at your consultation.

Talk through your options

At Serene Med Spa, procedures are performed or supervised by trained medical professionals under my oversight. Book a complimentary, no-commitment consultation and we will examine your scars and tell you plainly whether PRP is likely to add value for you.

• Hudson, OH: 50 W Streetsboro St, Suite 2 · (330) 460-5915
• Barboursville, WV: 1 Chateau Grove Ln · (304) 520-0461

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References: Asif M, Kanodia S, Singh K. Combined autologous platelet-rich plasma with microneedling verses microneedling with distilled water in the treatment of atrophic acne scars: a concurrent split-face study. Journal of Cosmetic Dermatology. 2016. · Fabbrocini G, Annunziata MC, D’Arco V, et al. Acne scars: pathogenesis, classification and treatment. Dermatology Research and Practice. 2010. · Jacob CI, Dover JS, Kaminer MS. Acne scarring: a classification system and review of treatment options. Journal of the American Academy of Dermatology. 2001.

This article is for general information only and is not medical advice. Treatments are provided only after consultation and evaluation by a licensed provider. Individual results vary.