Field Notes

PRP, on compare.

Every Field Note we have filed under Compare, newest first.

All stories PRP Basics Hair & Skin Joints & Recovery Cost & Safety Compare

Compare · 5 min · Kerensa Molyneux

Leukocyte-Rich vs. Leukocyte-Poor PRP: The White Cell Question That Changes Everything

Two injections can both be called PRP and behave like different drugs. Here is how neutrophil content shifts the biology, what the tendon and joint evidence actually shows, and the questions to ask before anyone opens a centrifuge.

August 10, 2026

Compare · 5 min · Kerensa Molyneux

Leukocyte-Rich vs Leukocyte-Poor PRP: Why the White Cell Question Decides More Than Most Patients Realize

Two injections can both be called PRP and behave like different drugs. Here is what the leukocyte content actually does in tendon versus joint, and why the label on your consent form matters.

August 7, 2026

A gloved clinician holding a centrifuge tube of separated blood showing a distinct yellow plasma layer above a red cell layer, in a bright clinical treatment room.

Compare · 8 min · Lazlo Fontaine

Leukocyte rich or leukocyte poor: two different products sold under one name

Two clinics can both truthfully say they offer PRP and hand you preparations whose white cell content differs by more than an order of magnitude. Which one you get is rarely disclosed, never on the invoice, and for tendons versus joints the evidence points in opposite directions.

July 28, 2026

Close-up of a clinician parting a patient's hair to examine the scalp under bright clinic light, with a vial of golden platelet-rich plasma on the tray beside them

Compare · 6 min · Lazlo Fontaine

PRP vs hair transplant: which one fixes hair loss?

One strengthens the follicles you still have; the other relocates new ones. How to tell which procedure your stage of hair loss actually needs.

July 19, 2026

Two prepared syringes on a stainless steel medical tray, one holding clear corticosteroid solution and one holding golden platelet-rich plasma, beside a centrifuge vial in soft clinic light

Compare · 6 min · Lazlo Fontaine

PRP vs cortisone shots for joint pain: which injection, when

One works in days and fades in weeks. The other builds slowly and lasts longer. How the two most common joint injections actually compare.

July 16, 2026

Compare · 6 min · Lazlo Fontaine

PRP for facial rejuvenation versus fillers

They are often pitched as competitors, but PRP and dermal fillers solve different problems. Here is how to tell which one you actually want.

June 24, 2026

Compare · 6 min · Kerensa Molyneux

PRP vs PRF: what is the difference?

Platelet-rich fibrin is the newer cousin of PRP. Here is how the two preparations actually differ, and when one has an edge.

June 4, 2026

Compare · 7 min · Lazlo Fontaine

PRP versus the alternatives: when it is the right call

For hair, skin, and joints there is usually a more established option. Here is how PRP stacks up against each.

May 29, 2026