Microneedling, often referred to by the brand name Dermapen, operates through a process known as Percutaneous Collagen Induction (PCI). The device utilises a series of medical-grade, oscillating micro-needles to create thousands of controlled micro-injuries in the epidermis and dermis. These microscopic punctures trigger the body’s innate wound-healing cascade without significantly damaging the skin barrier. This response is characterised by the release of growth factors, such as Transforming Growth Factor-beta (TGF-β), which stimulate fibroblasts to synthesise new Type III collagen and elastin, eventually maturing into stronger Type I collagen [1][2].
Regarding downtime, most patients experience an initial period of erythema (redness) and mild oedema (swelling) akin to a moderate sunburn, typically lasting 24 to 48 hours. While the physical micro-channels close within hours, the inflammatory phase persists for several days, during which the skin may feel tight, dry, or slightly flaky. Complete surface recovery generally occurs within 3 to 7 days, though the deeper structural remodelling of the dermal matrix continues for several months post-treatment [3].
From a histopathological perspective, microneedling is unique because it maintains the integrity of the epidermis while inducing dermal remodelling. Unlike ablative laser therapies that thermally decohere the skin surface, microneedling uses mechanical stimulus to bypass the stratum corneum. This reduces the risk of post-inflammatory hyperpigmentation (PIH), making it a favoured modality for Fitzpatrick skin types IV through VI [4]. The efficacy of the procedure is highly dependent on the depth of penetration, which can be adjusted from 0.25mm for product absorption to 2.5mm for treating deep acne scarring and striae.
The three stages of wound healing initiated by Dermapen include inflammation, proliferation, and remodelling. During the proliferative phase, angiogenesis (the formation of new blood vessels) occurs alongside fibroplasia, improving overall skin vascularity and oxygenation. The long-term benefit is derived from the conversion of granulation tissue into a reorganised collagen lattice, which significantly improves skin texture and reduces the appearance of fine lines [5].
---
To support the skin’s natural healing cascade following a professional microneedling treatment, many individuals look for gentle, lipid-rich formulations to help maintain barrier resilience. Our [Balance Biome Crème](https://auremeskin.com.au/products/balance-biome-creme) was formulated with Bifida Ferment Lysate and Niacinamide to foster a balanced environment for the skin’s microbiome, while the ceramide-enriched [Surface Calm](https://auremeskin.com.au/products/surface-calm) offers a non-stripping cleanse that respects the delicate nature of the epidermis during the recovery phase.
FAQ
Can microneedling be combined with active topicals?
Yes, this is often termed 'microneedling with drug delivery'. The micro-channels created by the Dermapen increase skin permeability by up to 80%, allowing for the enhanced penetration of hydrophilic molecules such as hyaluronic acid or Vitamin C [2]. However, clinicians advise caution with highly acidic or irritating actives immediately post-procedure to avoid granulomatous reactions [3].
How many sessions are required for visible results?
While a single session can improve skin radiance, clinical studies for scarring and anti-ageing typically require a series of 3 to 6 treatments spaced 4 to 6 weeks apart [1]. This interval allows the collagen maturation process to stabilise before the next mechanical stimulus is applied [5].
What are the risks of performing microneedling at home?
Home 'derma-rollers' often use shorter needles that do not reach the dermis, limiting results to superficial exfoliation. More importantly, inadequate sterilisation and poor technique (such as dragging the device) can lead to secondary bacterial infections, scarring, and 'track-mark' textures that are difficult to rectify [4].
References:
[1] Singh A, Yadav S. Microneedling: Advances and widening horizons. Indian Dermatol Online J. 2016;7(4):244-254. doi:10.4103/2229-5178.185487
[2] Hou A, et al. Microneedling: A Review and Practical Guide. Dermatologic Surgery. 2017;43(3):321-339. doi:10.1097/DSS.0000000000001062
[3] Ramaut L, et al. Microneedling: Where do we stand now? A systematic review of the literature. J Plast Reconstr Aesthet Surg. 2018;71(1):1-14. doi:10.1016/j.bjps.2017.06.006
[4] Alster TS, Graham PM. Microneedling: A Review and Update. Dermatol Surg. 2018;44(3):397-404. doi:10.1097/DSS.0000000000001397
[5] El-Domyati M, et al. Microneedling therapy for atrophic acne scars: Objective outcomes. J Clin Aesthet Dermatol. 2015;8(7):36-42.
Medical Disclaimer: This article is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting any new skincare regimen. Content reviewed by a biomedical scientist.
