What Happens During Our Hair Regrowth Treatment?

PRF for Hair Restoration

As always, it’s so nice to arrive at Hayes Valley Med in Marin. The parking is easy, the facilities beautiful, and the team is so kind and welcoming. And I always look forward to an appointment with Linda Behla, their founder and master injector.

The reason for my visit and some info on the hair regrowth treatment are covered in this post.

I thought that, like I was myself pre-treatment, you’d be interested in how it felt to receive the blood draw, microneedling, and about twenty injections into the scalp.

I imagine you’d be surprised to hear that this was not painful – thanks to Hayes Valley Med’s ProNox nitrous oxide system.

The process began with Linda examining my scalp and I was pleased to learn that I have no noticeable hair thinning on the back of my head – the loss is all coming from the front. That was nice news!

There was no discomfort from the blood draw. Three vials were drawn and whisked off to be spun into protein-rich fibrin in their centrifuge. (Photo at the top shows the syringes full of my own plasma, separated out from other components in my blood, and in the form of protein-rich fibrin.)

Scarlet Hair Restoration

I was then introduced to the ProNox device, which is a self-administered blend of half oxygen and half laughing gas. I breathed it in and was completely relaxed and felt pleasantly light-headed.

These comfort devices must have had a strong effect on me as the microneedling felt only like deep scratching. Not at all painful. It only took Linda a few minutes with Scarlet to create the micropunctures over the treatment area.

I felt just an occasional pinch during the injection of the blood growth factors and the exosome serum. At any time I began to feel discomfort, I used ProNox and immediately sensations were minimized.

Hair Regrowth Treatment

It seemed the injections took about ten minutes. And after a quick cleaning we were done.

For a few hours after, my scalp felt as if it was sunburned. It did hurt when I lifted my eyebrows, so I stayed pretty expressionless for a while. I hid under a hat for my journey home and enjoyed a gentle walk on the beach that evening, and went out to dinner. Any redness was hidden in my hair line.

It’s now 48 hours after my treatment and I’m looking forward to washing my scalp and hair. I’ve had a feeling like the area is bruised, but I’ve not had any pain that I’ve felt needed treating with ice or meds. Right now, I’ve no pain at all.

The next step…patience for a few months!


UPDATED: It’s now eleven weeks after my treatment and I am thrilled to have new hair growth in the treated areas.


NOTE FROM HVME: Our patient, Rachel, is receiving this treatment at a discount in exchange for creating text, photographic, and video content around her experience with our hair regrowth procedure.

More information on:
Scarlet RF Microneedling
InfiniViveMD Exosome Serum
PRO-NOX™ Nitrous Oxide System


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Kirsten S.
Linda and staff are amazing. I am always very happy with my treatment results. It is apparent that she researches various technologies and techniques. The applications are always evolving with new and improved products. Highly recommended.
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Suzanne P.
Excellent service and an overall pleasant experience. Victoria was professional and knowledgeable. She proposed treatments addressing both my anesthetic and medical concerns.. I could not be happier with the results. Also, the Receptionist, Mattie, was pleasant and efficient. I look forward to future treatments.
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Lisa M.
Hayes Valley is the best! Kate did an incredible job with Dysport removing the wrinkles from my forehead, Sandra gave me great abs and glutes with Emsculpt, and Linda gave me my youthful facial structure back with Sculptra. These women are truly amazing. So glad that I found them!
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Gene V.
I love Hayes Valley Medical and Esthetics! I've been coming for a while now for Botox and filler treatments. Linda is AMAZING! She knows just the right amount of product needed in all the right places to bring out my best facial features. I feel more handsome every time!!

The front desk staff are super sweet and helpful. They always ask exactly what I want and I never feel like I'm being 'upsold' or encouraged to do anything other than what I came in for. I would highly recommend HVME to anybody that is on the unsure about trying some of the services they offer. You won't be disappointed. Thank you!!
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Julie S.
This was my first experience with any filler/injection treatment and it was very pleasant, professional and everyone there made me feel safe, welcome and I felt very knowledgeable coming out of my treatment about what to expect. I will absolutely be back!
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Tina B.
Diana at the front desk is so sweet, the medical assistant was amazing & personable and Kate who did my procedure is my favorite! As I walked out and met my husband, I told him how much I enjoy being there & what a good vibe Hayes has.
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Cher B.
Sheila and Linda took great care of me and I look younger and vibrant.  I do not trust anyone else for injectables.  Linda is careful, thoughtful, and respectful of one’s budget. I have followed her from Marin into SF and I will continue to follow her where ever she practices.
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Emily N.
I highly recommend Hayes Valley Medical & Esthetics!! All the front desk staff are warm, friendly and professional and Denise is the best for laser, she goes above to make you feel comfortable and at ease. Andrea is exceptional at explaining the services they offer. They are the best in SF in my opinion and I do my research!
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Kathleen F.
Excellent customer service, advice, and care. Botox and Microneedling. Melonie is a gem. She is extremely knowledgable, sincere and honest. Everyone here is helpful, They carry a fabulous array of skin products too. I am so pleased with my results!
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