The Science Behind Microneedling: How Does It Really Work?

/ The Science Behind Microneedling: How Does It Really Work?

Microneedling, often known under different names such as derma rolling or nano-needling, is a medical procedure that operates on a simple yet fascinating premise. This technique utilizes a device outfitted with small, precise needles to puncture the skin gently. While the idea of needles might initially cause apprehension, the genuine scientific interest lies in how these small punctures influence the skin’s natural healing processes and even cause skin tightening. Here’s how it works. 

The Mechanics of Microneedling

Microneedling operates on a concept known as collagen induction therapy. The treatment involves a device equipped with many tiny, sterile needles. These needles create micro-punctures in the skin, which are superficial wounds within the epidermis and dermis. Despite their minute size, these injuries are significant enough to stimulate the body’s natural wound-healing processes.

The mechanics of this process can be broken down into three key phases:

  1. Inflammation: This is the immediate response to the micro-injuries. Blood components rush to the site, bringing platelets and white blood cells that initiate healing. This phase is critical as it lays the groundwork for new tissue formation.
  2. Proliferation: During this stage, the body generates a new network of blood vessels (a process called angiogenesis) and deposits granulation tissue to replace the damaged skin cells. This is also where fibroblasts come into play, critical cells producing new collagen and elastin fibers. The new network of collagen and elastin helps improve the skin’s structure and elasticity.
  3. Remodeling: The final phase involves maturing and strengthening the collagen fibers laid down in the proliferation stage. Over time, this leads to firmer, more youthful-looking skin.

The depth of needle penetration is carefully controlled during microneedling to ensure that the punctures are compelling enough to induce collagen production without causing permanent damage. The needles can range from 0.2 to 2.0 mm in length, depending on the treatment area and the desired outcome. This precision allows for tailored treatments based on specific skin conditions and concerns. 

The idea behind microneedling is supported by the body’s natural ability to repair itself. By harnessing and amplifying this ability, microneedling can effectively stimulate new tissue growth and improve skin texture and firmness.

Types and Benefits of Microneedling

Each of these treatments can be customized based on the patient’s specific skin needs and the desired outcomes, providing a versatile approach to skin rejuvenation and maintenance.

  1. General Microneedling:
    • Purpose: Targets general skin rejuvenation, including texture improvement, reduction of fine lines, and enhancement of skin elasticity.
    • Procedure: Involves using a standard derma roller or stamp with needles that can vary in depth to suit different skin issues and areas.
    • Typical Use: Effective for both facial and body skin, often recommended for hair restoration when used on the scalp.
  2. Tox Facial (Microneedling with Botox and Fillers):
    • Purpose: Aim to provide instant glow and youthful appearance by reducing pores and fine lines.
    • Procedure: Combines microneedling with injecting Botox, hyaluronic acid, and platelet-rich plasma directly into the skin.
    • Benefits: Offers both immediate and long-lasting effects by enhancing the skin’s collagen production while delivering targeted treatments to reduce signs of aging.
  3. 24K Gold Nano-Needling:
    • Purpose: Specifically designed to get a quick, radiant glow and skin rejuvenation that is suitable before significant events.
    • Procedure: A derma stamp plated with 24k gold and equipped with nano-needles is used to infuse anti-aging serums while puncturing the skin.
    • Special Features: The gold in the needles is believed to have anti-inflammatory properties, adding an extra layer of benefit to the treatment.
  4. PRP Therapy (Platelet-Rich Plasma):
    • Purpose: Focuses on enhancing the healing and regenerative processes of the skin.
    • Procedure: Involves drawing a small amount of the patient’s blood, processing it to enrich for platelets, and re-injecting it into the skin during microneedling.
    • Benefits: The growth factors in the PRP significantly boost collagen production and skin healing, making this treatment particularly effective for scars and wrinkles.

Should You Consider Microneedling?

Microneedling is most beneficial for individuals seeking improvement in skin texture, reduction of scars, fine lines, and wrinkles, and enhancement of skin firmness and elasticity.

Good candidates for microneedling are those with concerns that are not typically addressed effectively by superficial treatments, such as light peels or topical products. This includes people with aging skin, sun damage, acne scars, or stretch marks who desire a minimally invasive solution with manageable downtime. Additionally, since microneedling boosts collagen production, it’s ideal for anyone looking to combat the early signs of aging or to manage their skin’s health proactively.

Individuals with active skin infections, chronic skin disorders, or a history of poor wound healing may not be suitable candidates. Similarly, those who are pregnant or have taken certain acne medications within the last year are generally advised against undergoing microneedling.

Microneedling Before and After Treatment Care

Proper care before and after microneedling is crucial to maximizing treatment benefits and minimizing potential side effects. Here’s what you should know about pre- and post-treatment care:

Before Treatment:

  1. Consultation:
    • Always consult a qualified skincare professional to ensure that microneedling suits your skin type and to discuss any concerns.
  2. Avoid Certain Medications and Supplements:
    • Stop using products that might increase bleeding, such as aspirin, NSAIDs, and vitamin E supplements, a week before the procedure.
  3. Skin Preparation:
    • Discontinue the use of retinoids, topical antibiotics, or acids such as glycolic acid and salicylic acid at least 48 hours before treatment to reduce skin sensitivity.
  4. Sun Protection:
    • Avoid excessive sun exposure, and do not use tanning beds for at least a week before treatment to avoid skin irritation.

After Treatment:

  1. Skin Hygiene:
    • Keep the treated area clean and hydrated without overwashing. Use gentle, soothing cleansers and hydrating serums recommended by your skincare provider.
  2. Avoid Harsh Products:
    • Do not apply topical acne or skin care treatments that contain alcohol or acids, as these can irritate the skin during healing.
  3. Sun Protection:
    • Protect the skin from direct sunlight immediately following the procedure. Apply a broad-spectrum sunscreen with at least SPF 30 daily, as microneedling can make your skin more sensitive to the sun.
  4. Moisturize and Repair:
    • Use a rich moisturizer or a specific post-treatment product to help soothe and repair the skin. Products containing ceramides, hyaluronic acid, and peptides are often recommended to support the skin’s recovery.
  5. Avoid Makeup:
    • Refrain from wearing makeup for at least 24 hours after the treatment to prevent clogging pores and allow the skin to heal.
  6. Monitor Skin Reaction:
    • Keep an eye on your skin’s response to the treatment. Mild swelling, redness, and bruising are normal, but if you notice any signs of infection or excessive inflammation, contact your skincare provider.


Ready to rejuvenate your skin and achieve a smoother, more youthful appearance? Contact Skin N Tox Aesthetics today to learn more about our specialized microneedling treatments. Serving the Meridian, ID area, we offer personalized assessments to tailor a treatment plan that meets your unique skin care needs. Don’t wait to transform your skin. Schedule your appointment and discover the benefits of Microneedling in Meridian, ID. Let our team help you unlock your skin’s potential with the care and expertise you deserve.

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