Micro-needling Treatment For Hair Growth

A man with a full set of hair

Micro-needling Treatment For Hair Growth

As a cosmetic procedure that has taken the beauty world by storm, micro-needling is now a therapy that can be used to treat hair loss. The process involves using a device called derma roller, which features small fine needles that create tiny puncture holes in the skin, in response to this method, your body begins to generate some of the chemicals required to make your scalp thrive.

what is micro-needling?

The practice of using micro-needling to reduce hair loss and encourage hair growth is in its infancy. How useful it is will depend on the type of loss you are experiencing as well as the approach you take. Understanding more about the treatment will help you determine whether it is right for you. micro-needling involves moving the needles on the derma roller across the skin to produce a controlled injury. Said injury comprises of small punctures, which is barely visible to the human eye. Provided that you are not suffering from an infection or ongoing skin injury; micro-needling is safe. The governing theory behind this process is that controlled injury encourages you to produce collagen. As the most abundant protein in the body, collagen is central to maintaining a healthy scalp, additionally, its production aids healing processes following this collagen synthesis, the cells in the area you treat behave as though they are younger. Their youthfulness arises out of collagen, which provides them with strength and integrity, allowing them to reach the peak of their function. As a new field, still much research is needed about micro-needling. However, ongoing and published studies show promising results.  For example, one ongoing study suggests that disrupting the epidermis results in better hair growth. The epidermis is the uppermost layer of skin. It plays a significant role in maintaining the scalp in a healthy state.  According to the researchers conducting this study, epidermal disruptions such as micro-needling lead to fresh epidermal cell production across the scalp. This, in turn, encourages better hair growth. Similarly, the University of Pennsylvania is looking into the part of the theory which states that causing a controlled injury to the skin aids the healing process. The team’s research consisted of focusing on hair growth in mice that underwent micro-needling-like procedures. So far, the results attained have demonstrated that choosing this approach leads to better hair growth. This could mean promising results for those who have suffered hair loss due to dermatological conditions rather than hormone-related ones. However, as we have already stated, you cannot use micro-needling if your scalp is showing signs of infection or if there is an open wound. However, for those who suffer from androgenic alopecia, there is good news. A randomized controlled experiment performed in India highlights how using micro-needling produces better results than treating loss with Minoxidil.  As we know, Minoxidil is one of the most effective treatments out there. As can be seen, the study’s results are promising indeed. Those who suffer from androgenic alopecia though should consider micro-needling. In addition to the studies mentioned above, further research from the same team demonstrates how the procedure leads to denser and stronger scalp follicles. These follicles produce healthier hair, making micro-needling worth the effort. While the aforementioned study highlights micro-needling’s efficacy through strengthening scalp follicles, other areas of research have discovered the specific chemical pathways behind its success. For example, a study published in the field of dermatology found that it activates the Wnt/ B-catenin pathway, which is a signal-conducting pathway that allows cells to work and communicate with each other. It also promotes the expression of VEGF, which is a vascular endothelial growth factor.  In other words, more blood vessels will develop in the area allowing for the delivery of oxygen and removal of toxins.

Does micro-needling for hair loss hurt?

It is natural to wonder whether a treatment that involves controlled injury is going to cause pain. Few studies focus on patient-reported pain during this procedure. However, tales from across the internet indicate that it’s sometimes painful, but it is often worth the results. As micro-needling for hair loss targets the epidermis, it also interacts with endings that are responsible for pain transmission. However, you can avoid excessive amounts of pain by using your derma roller lightly rather than applying too much pressure. Most of those who report pain also believe that the benefit of hair growth outweighs the downside of an unpleasant sensation. There are a variety of materials used in making a derma roller. But the ones made of titanium are the most effective. There is a lower risk of the device degenerating, Similarly, titanium is not an appealing metal for toxins or bacteria, so you can maintain high hygiene standards. 

Other reasons for choosing this derma roller, include:

Each session is spaced apart by at least two weeks. It is likely to take 25 to 30 times for it to work. This means the device will last for at least a year, as such it is cost-effective. micro-needling derma rollers are available in a range of sizes. As we have already mentioned, dermatologists recommend the use of a device with .25mm needles.  There is evidence suggesting that choosing this size helps absorb any topical agents you use alongside a roller. Nonetheless, if you want to promote the hair growth after making the scalp healthier through the use of derma roller and topical agents, you should double the size of the needle. Alternating between the two sizes will work to your advantage. While the 0.25mm needle allows for topical agent absorption, the 0.50mm promotes stronger hair growth. Try experimenting with different sizes and routines to see which is best for your hair loss treatment.

How to use micro-needling for hair growth?

First of all, you need to space your micro-needling sessions apart by two to four weeks. Daily use of a derma roller is not effective and is likely to make your hair loss worse. The aim is to cause a controlled injury that has the opportunity to heal, not to inflict one that consistently worsens. Before using micro-needling for hair growth, ensure your scalp and remainder of hair are wet because it helps the needles work more properly without any disruptions. When using the dermo roller, make sure you move in a variety of directions. Start with horizontal, then diagonal, and then vertical. Going in all the three directions ensures you do not miss a patch of the skin, allowing you to see the full benefits of collagen production.

A word of caution: Only use light to moderate pressure. Applying too much pressure does not result in a controlled injury.

Ideally, micro-needling for hair loss should be used every four to six weeks. As with any hair loss treatment, micro-needling comes with some side effects. These include:

  1. Temporary redness in the area where you use the derma roller with small milk-colored spots. If they do appear, they are easy to remove.
  2. An exacerbation of dermatological conditions, if your side-effects are particularly severe, it is advisable to stop micro-needling. Make sure you track these in your micro-needling diary.


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