What does the FDA actually regulate when it comes to PRP?
It regulates the equipment, not the treatment. PRP is your own blood, spun to concentrate the platelets and injected back into you during the same visit. A 2015 review of the FDA’s stance on PRP explains that blood products like PRP are exempt from the FDA’s usual regulatory pathway for cells and tissues, which would involve animal studies and clinical trials.
What reaches the market through the FDA is the preparation system: the centrifuge and kit. Those are brought to market through the 510(k) process, and the same review notes that nearly all PRP systems are cleared to produce platelet-rich preparations for mixing with bone graft material in orthopedic procedures. Using PRP outside that setting, such as an office injection into the scalp, is considered off-label.
What do “cleared,” “approved” and “off-label” mean?
These words get blurred in advertising, so it helps to separate them.
| Term | What it means | Applies to PRP for hair? |
|---|---|---|
| FDA-approved | A drug or high-risk device reviewed for safety and effectiveness for a specific use | No |
| FDA-cleared | A device shown to be substantially equivalent to one already legally on the market | The preparation kit, for its listed use |
| Off-label | An approved or cleared product used for a purpose its labeling does not cover | Yes, scalp injection for hair loss |
The FDA’s 510(k) page describes clearance as showing a device is as safe and effective as, that is, substantially equivalent to, a legally marketed device. The American Academy of Dermatology puts it more bluntly when discussing hair-loss lasers: the requirements for FDA clearance are much less stringent than for FDA approval. The same page lists minoxidil and finasteride as the FDA-approved medicines for male pattern hair loss.
What does off-label status mean for the evidence?
It means no regulator has reviewed whether PRP works for hair loss, so you have to look at the studies yourself. Those studies are encouraging but uneven. A 2019 review noted that there is still no standard method for preparing or giving PRP, or for measuring results, and that the ideal number and spacing of treatments has not been established.
In practice, two clinics can both offer “PRP” and use different kits, spin settings, volumes and schedules. Our answer on whether PRP works for hair loss summarizes what the trials show despite that variation.
What does it mean for safety?
The main safety questions are about the procedure, not the substance. Because PRP is made from your own blood, a reaction to the plasma itself is not expected, and the most common side effect in hair studies is temporary pain at the injection sites.
The safeguards come from the clinician. The FDA’s off-label guidance says providers may use an approved product for an unapproved purpose when they judge it medically appropriate, and the 2015 review adds that clinicians doing so are expected to be well informed, base the use on sound evidence and keep records. That means screening for bleeding disorders and blood thinners, sterile technique, and a cleared preparation system. Our page on who is a good candidate for PRP hair treatment lists the conditions that rule it out.
Related question: what does it mean for cost?
Off-label and cosmetic status usually means you pay directly. Ultimate Male does not bill insurance, and IRS Publication 502 says procedures directed mainly at improving appearance, such as hair transplants, are generally not deductible medical expenses, so PRP for hair is usually not FSA or HSA eligible.
The price itself varies with the number of sessions in the first series, maintenance, and whether labs are needed first. Our page on PRP hair restoration cost breaks down those drivers.
How Ultimate Male talks about PRP’s status
At our San Gabriel and Downey clinics, you hear up front that PRP for hair is not FDA-approved, what the evidence shows, and how it compares with the approved medicines. The hair restoration consultation covers your pattern, history and medicines, and the provider explains why PRP is or is not a reasonable choice for you.
Ultimate Male is direct-pay, offers bundle pricing on multi-session plans and financing through CareCredit, Prosper Healthcare Lending and Afterpay, and gives you a quote before you book. Our guide to what happens at a PRP hair session shows what the visit involves.

