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How Does Microneedling for Acne Scarring Work?

Microneedling procedure in progress on a woman's face, showcasing a dermaroller being applied to treat acne scarring, emphasizing skincare and aesthetic treatment at Vita Felice Medi Spa.

Acne scars can be one of the most frustrating skin concerns to treat. Even after breakouts have cleared, the skin may be left with uneven texture, indentations, or visible marks that don’t fade easily.

Microneedling is one of the most widely used treatments for improving acne scars because it works with your skin—not against it—by stimulating natural collagen production.

In this article, we explain how microneedling works, why it’s effective for acne scars, and what you can realistically expect from treatment.


What Causes Acne Scars?

Acne scars form when inflammation damages the deeper layers of the skin.

As the skin heals, it doesn’t always regenerate evenly. This can lead to:

  • Loss of collagen (causing indented scars)
  • Uneven skin texture
  • Visible depressions or roughness

These types of scars are often called atrophic acne scars, and they are one of the most common concerns treated with microneedling.


How Microneedling Works

Microneedling—also known as collagen induction therapy—uses fine needles to create controlled micro-channels in the skin. This treatment is a controlled, depth-specific treatment that goes beyond superficial product absorption by triggering collagen remodeling within the skin.

These micro-injuries trigger the skin’s natural healing response, which includes:

  • Increased collagen production
  • Increased elastin production
  • Tissue remodeling

Over time, this process helps rebuild the skin’s internal structure, making acne scars appear smoother and less noticeable.


Why Microneedling Is Effective for Acne Scars

Acne scars are not just surface-level concerns—they are structural changes in the skin.

That’s why topical skincare alone often cannot fully correct them.

Microneedling works deeper within the skin to:

  • Stimulate new collagen where it’s lacking
  • Soften the edges of indented scars
  • Improve overall skin texture
  • Support long-term skin regeneration

Multiple studies have shown microneedling to be a safe and effective option for improving acne scars, with consistent improvements in skin texture and appearance.


Microneedling vs Skin Needling (Precision Matters)

While microneedling treats a broader area of skin, skin needling allows for more precise targeting of individual scars.

Skin needling uses a tattoo-machine-style device that can:

  • Focus directly inside acne scars
  • Avoid unnecessary trauma to surrounding skin
  • Improve efficiency in treating deeper or narrow scars

Many clients choose to combine both approaches for optimal results. For deeper acne scarring and targeted correction, explore skin needling for scar reduction.


Can Microneedling Help Active Acne?

Traditionally, microneedling was avoided for active acne. However, more recent research suggests a more nuanced approach.

Emerging studies show that microneedling may:

  • Reduce both inflammatory and non-inflammatory acne lesions
  • Support a healthier skin environment
  • Help improve mild to moderate acne when performed appropriately

However, it is important to note:

  • Severe or highly inflamed acne (Grade 4) typically requires pre-treatment
  • Treatment must be carefully assessed and customized
  • Not all acne conditions are suitable for microneedling

In a professional setting, your skin specialist will determine whether acne should be treated first before beginning scar-focused treatments.


What Results Can You Expect?

Microneedling is not a one-time treatment.

Most clients require a series of sessions to see optimal improvement.

With consistent treatment, you may notice:

  • Smoother skin texture
  • Reduced depth of acne scars
  • Improved skin tone
  • Healthier, stronger skin

Some improvement can be seen after one session, but results typically build over time. If you are not ready for microneedling, microchanneling might be another option to consider. Not sure about the difference? Read our guide on microchanneling vs microneedling.


Why Professional Treatment Matters

Microneedling is highly technique-dependent.

Professional treatments ensure:

  • Proper needle depth
  • Hygienic and controlled environment
  • Customized treatment pla
  • Safe handling of active or sensitive skin conditions

Improper or aggressive treatment can lead to irritation or unwanted side effects, which is why professional care is essential.


Microneedling in the Lower Mainland

At Vita Felice Medi Spa in New Westminster, microneedling and skin needling treatments are performed by experienced skin specialists, with customized approaches based on each client’s skin condition and goals.

Clients visit from across the Lower Mainland, including:

  • Vancouver
  • Burnaby
  • Surrey
  • Tri-Cities

If you are looking to improve acne scars or overall skin texture, you can learn more about scar reduction treatments in New Westminster.


Microneedling Frequently Asked Questions

Is microneedling painful?

Most clients experience mild to moderate discomfort. Numbing options are available for a more comfortable experience.


How many treatments will I need?

A series of treatments is typically recommended, depending on the depth and severity of acne scars.


Can acne scars be completely removed?

Complete removal is uncommon, but significant improvement in texture and appearance is often achievable.


Is there downtime?

Most clients experience redness and sensitivity for a few days following treatment.


Final Thoughts

Acne scars can feel long-lasting, but with the right approach, meaningful improvement is possible.

Microneedling works by supporting your skin’s natural ability to rebuild collagen and repair itself over time. When combined with the precision of skin needling and a well-planned treatment strategy, it can significantly improve the appearance of acne scars and overall skin quality.

If you’re ready to explore your options, a personalized consultation is the best place to start.

Vita Felice Medi Spa serves clients across the Lower Mainland, including New Westminster, Vancouver, Burnaby, Surrey, Coquitlam, and the Tri-Cities. Each treatment is customized based on your skin condition, goals, and comfort level.