767: Microneedling: Moving the Needle in Skin Rejuvenation and Collagen Reproduction
Beauty Bytes with Dr. Kay: Secrets of a Plastic Surgeon™
Kay Durairaj, MD, FACS @beautybydrkay
4.9 • 608 Ratings
🗓️ 3 October 2025
⏱️ 8 minutes
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| 0:00.0 | Well, hello, hello, guys. You're listening to Beauty Bites with Dr. K., Secrets of a Plastic Surgeon, |
| 0:20.0 | and it's time for a five-minute |
| 0:21.9 | Friday. Today's episode, let's talk microneedling. I know you guys have been hearing about |
| 0:29.3 | microneedling all year round. It definitely is trending, and this is a trend that's here to stay. |
| 0:35.3 | It's also known as collagen induction therapy. And why do we call |
| 0:40.9 | it that? Because micronealing is one of the most efficient ways to cause the skin to have a burst |
| 0:47.6 | of collagen production. We typically are microneedling the face with either microneedle rollers, |
| 0:53.7 | which sometimes can be good or bad. We also use a repetitive microneedling the face with either microneedle rollers, which sometimes can be good or bad. |
| 0:56.0 | We also use a repetitive microneedling punching device, which is automation, 550 titanium |
| 1:02.5 | needles that go up and down into the skin. |
| 1:04.9 | These create dermal injury. |
| 1:07.3 | An injury with the puncture and the skin surface is going to drive a whole response that |
| 1:13.4 | comes with injury, including triggering collagen production. Platelets come to the area of injury. |
| 1:19.0 | They release their stem cell growth factors and platelet growth factors. And we're often able to |
| 1:24.7 | then also deliver ingredients below the surface of the skin in order to |
| 1:30.3 | give a little boost to the dermal reproductive fibroblasts. |
| 1:35.3 | So I'm a huge fan of microneedling. |
| 1:38.3 | When we create this traumatic injury in the skin, we are going to generate repair mechanisms. And the biggest thing that turns on |
| 1:45.8 | is collagen production. It's usually collagen type 1, a little bit of collagen type 3. And we can |
| 1:52.4 | combine this with other procedures. Certainly people do radio frequency needling where the needles |
| 1:59.0 | have electric heat and current and laser or radio |
| 2:03.1 | frequency energy running through them. This is giving us the ability to tighten dermis. It also |
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