Microneedling depth impacts scarsEvaluation of microneedling depth of penetration in management of atrophic acne scars: a split-face comparative study.
Most Relevant Research
In our exploration of treating atrophic acne scars, we focused on the effects of different microneedling depths using Dermapen. We designed a split-face study involving 14 individuals, where each side of their face received a different treatment depth over six sessions, spaced two weeks apart.
On one side, the needles penetrated 2.5 mm into the skin, while the other side used 1.5 mm. We observed a noticeable difference in the improvement of scars, with the deeper 2.5 mm treatment showing significantly better results both clinically and at a cellular level.
The findings suggest that deeper microneedling might foster better collagen induction, which is crucial for skin repair. Both treatments improved collagen and elastin fibers, but the more profound impact from the deeper needles highlights how penetration depth might be a key factor in achieving effective results in scar management.
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