PRP Platelet Rich Plasma Hair Restoration: (1) Regular needle injections vs microneedling; (2) Number of sessions

In PRP hair treatment, (1) What are the benefits of regular needle injections of platelet rich plasma, compared to microneedling then application of platelet rich plasma on top of it? (2) How many sessions are usually done?

Doctor Answers 8

There is no standardized method of using or injecting PRP. In fact, there is no firm proof it works to treat genetic hair loss.

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There is no standardized method of using or injecting PRP. In fact, there is no firm proof it works to treat genetic hair loss.  Many doctors may offer and many patients may try it with no consensus on its effectiveness.


Los Angeles Hair Restoration Surgeon
5.0 out of 5 stars 102 reviews

PRP hair injections with or without microneedling?

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The question is, what works best? 

1.  Injecting PRP into the scalp

2.  Applying the PRP topically and driving it into the scalp with microneedling

3.  Doing both?

Ideally, injecting the PRP first following by driving additional PRP into the scalp with microneedling will give you the best results.  From the practical standpoing, unless you have very thin hair, microneedling in the scalp is less practical.  I have found that injecting PRP alone into the scalp is very effective.  3 treatments spaced 1 month apart followed by 2 to 3 treatments per year to maintain the results are very effective.

Ran Y. Rubinstein, MD
Manhattan Facial Plastic Surgeon
4.9 out of 5 stars 156 reviews

Benefits of PRP for hair restoration

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Watch this video to see Dr. Edward Dickerson personally answer your PRP question! Get to know your options and find out if PRP is right for you.

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PRP for Hair (micro needle).

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I agree with the Doctor above. If you are "Shinny" Bald you need hair transplant. I also use both single needle and micro needle. PRP and ACell as a treatment for thinning hair has shown very promising results. This treatment is ideal for those with thinning hair, rather than total loss. Before you can know how many treatments you will need, it is always best to have a consultation, and have your expectations heard and then make a procedure plan and schedule. 

Microneedling and PRP

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You probably are not getting any benefit from micro needling and topical PRP.  Micro needling in combination with injected PRP may or may not offer any benefit. Injected PRP helps to improve coverage in a large percentage of patients based on studies, but you must recognize that some studies show no benefit from a 1x concentration of PRP, which is equivalent to whole blood.  Some studies suggest that monthly injections of PRP are better than an injection once every 6 to 12 months.  Finally, not all PRP is equivalent.  Some produce higher concentrations of platelets and some capture a higher percentage of the original platelet quantity.  

John P. Cole, MD
Atlanta Hair Restoration Surgeon
5.0 out of 5 stars 15 reviews

PRP and needling

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I do not use needling with PRP. I inject the PRP under the skin in order not to waist anything. I have patients do PRP every six months and when the density is to their satisfaction,  I reduce the frequency to every year. 

PRP for Hair Loss --- Combine with Injectable Progesterone Monthly

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I combine all my injections with progesterone.  I do this monthly for 6 months and then reassess the growth.  When Ive done with microneedling in the past, it didnt do much so i switched to only injecting without needling.  Best, Dr. Emer.

Jason Emer, MD
Los Angeles Dermatologic Surgeon
4.8 out of 5 stars 203 reviews

PRP for hair loss

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In short the goal of PRP is to stimulate your hair follicles. PRP does not regrow hair which is completely gone (the only solution for this is hair transplant). It can help to strengthen existing hair and help it grow thicker. There are multiple ways to apply the PRP (injections, micro needling and laser). For the scalp I typically recommend injections. I find this works best and doesn't disrupt any hair growth. If the patient shaves his head, laser or micro needling would work as well. Be well, Dr. M

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.