Microneedling, derma-rolling, or “collagen induction therapy” (CIT) is a minimally invasive cosmetic procedure. Its methods are simultaneously simple, scary, exciting, tempting, and hard-to-believe.
What Microneedling Is
The treatment uses a small handheld rolling device called a derma roller. Which is covered with many tiny closely-spaced needles. As the device rolls along the skin, the needles create tiny holes supposedly without damaging the epidermis.
However, it comes with a warning that it is possible to draw blood and that use of a topical anesthetic may be recommended (depending on the length of the needles and amount of pressure applied). One study warned that quality equipment must be used. Poor-quality devices can leave pieces of broken needles behind in the skin. Which is why
How Microneedling Works
The idea behind CIT is similar to that of many other non-surgical skin-tightening procedures in that it aims to create a controlled injury underneath the skin’s surface. Thereby inducing the body to respond by producing more collagen in the treated area. For example, the skin plumps and thickens in response to the stimulus, reducing the appearance of scars, stretch marks, and fine lines.
Among microneedling claims is the improvement of everything. From stretch marks and scars (acne, trauma, and even burn scars) to wrinkles and hair loss. It is also useful in dramatically increasing absorption of topically applied skin preparations.
Effectiveness of the Treatment
There have been a few scientific studies showing microneedling to be effective in the treatment of scars. Especially when combined with different therapies.
Specifically, Vitamin C combined with micro-needling showed improvement. You will see firmness and smoothness of the skin as well as post-inflammatory hyperpigmentation when treating acne scars.
In addition, microneedling and 15% trichloroacetic acid (TCA) peel is helpful when treating atrophic scars. Especially Grade 2 and even severe scars that are Grades 3 and 4.