What does a PRP hair session feel like?
Most of a PRP visit does not hurt at all. The parts you feel are the blood draw, which is a quick pinch like any lab test, and the scalp injections, which feel like pressure with small stings as each one goes in.
Here is what the sensations are like from start to finish:
- Blood draw. A brief pinch in the arm.
- Waiting while the sample spins. Nothing to feel.
- Numbing. A cool or tingling feeling as it starts to work.
- Injections. Pressure and short stings, spaced across the thinning areas. The American Academy of Dermatology says this part takes about 10 minutes.
- Afterward. A tight, tender or warm scalp.
In the research, discomfort is the main complaint. A 2019 review of PRP for pattern hair loss found that temporary pain at the injection site was the most common side effect across the studies it examined, and no major adverse effects were reported.
How is the scalp numbed?
At Ultimate Male, a numbing solution is applied to the treatment areas before any injections, and the provider gives it time to take effect. The fine needles used for scalp PRP also help keep each injection small.
The clinic has not published a single fixed numbing protocol, and the right approach for you depends on a few things:
- How large an area is being treated, since more injection points mean more time for numbing to matter
- How you have handled needles and blood draws in the past
- Any allergy or bad reaction to numbing products
- Whether you have had PRP before and how it felt
If needle anxiety is the real worry, say so when you book and ask what can be adjusted, such as lying back for the blood draw or allowing more time for the numbing to work.
Does the injection technique change how much it hurts?
It can. The 2019 review recommended placing PRP in small pools just under the skin, called subdermal depot injections, partly because the authors found this less painful and more efficient than many tiny injections. Spreading the plasma this way means fewer needle sticks overall.
The same review describes injections spaced through the thinning zones, which for most men means the hairline, the part, and the top and crown of the scalp. A man treating only the crown will have fewer injections than one treating the whole top of the head. Our PRP hair session guide walks through the visit in order, and how PRP is prepared explains the spin step.
How sore will you be afterward?
Expect mild redness or tenderness that typically fades within a day or two, and possibly a little swelling that clears within several days. Some men notice a tight feeling or a dull ache across the treated area that evening.
Pain relief needs a little thought, because the active ingredient in PRP is your platelets. A 2024 review on anti-inflammatory drugs and PRP found ibuprofen and diclofenac inhibit platelet clumping for about 6 to 12 hours depending on dose, naproxen for at least 24 hours, while acetaminophen did not appear to require a pause. Ask your provider which option fits your plan before you reach for the medicine cabinet. The PRP hair aftercare guide covers washing, exercise and other day-after questions.
Related question: when is pain after PRP not normal?
Soreness should ease each day, not build. Call the clinic if swelling spreads toward your forehead or eyes and keeps growing after the second day, if one spot becomes hot, throbbing or starts to drain pus, or if you develop a fever.
Call 911 for trouble breathing, swelling of the lips, tongue or throat, chest pain, or fainting that does not pass when you lie down. These are rare after PRP but need emergency care, not a scheduled visit.
How Ultimate Male keeps PRP comfortable
At our San Gabriel and Downey clinics, your first hair restoration visit starts with a review of your hair loss pattern, medicines and any history of fainting or numbing reactions. The provider explains the numbing step and what you will feel before anything begins, and you can pause at any point.
Because comfort is only one part of the decision, the consultation also covers whether PRP is likely to help you and how many visits a plan would take. Our answer on how many PRP sessions you need explains the usual first series. You get a quote before you book, and the consultation is an evaluation, not a commitment to treatment.

