Why is pH so important?
Clinical Impact of pH on PRP Efficacy
Clinical and Scientific References
Common PRP Systems: pH
(use tablet or computer to see table)
PRP system
Juventix
7.4-7.5 (physiological)
Arthrex Angel
7.3-7.4
Emcyte
7.0
Regen
6.5-6.8
Cellenis
7.0
Harvest
6.9-7.1
Dr. PRP
6.5
Integrity
NP/NF
Progen
6.9-7.2
Apex Xcell
NP/NF
CARE stream
6.5
Selphyl
NP/NF
EZ gel
NP/NF
NP/NF = Not published and not found
Recommendations
Juventix and Cellenis are the only major brands consistently delivering PRP at or above physiological pH, supporting optimal platelet function, growth factor release, and patient comfort.
Summary:
pH is a critical, often overlooked factor in PRP therapy, directly influencing platelet function, growth factor release, healing efficacy, and patient comfort.
Juventix stands out by maintaining physiological pH, maximizing platelet recovery, minimizing contamination, and using advanced, chemical-free activation methods—delivering superior and more consistent clinical results compared to most leading PRP systems.
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- Growth Factor Release:Acidic PRP not only impairs aggregation but also alters the kinetics and total amount of growth factor release, which is crucial for tissue repair, collagen synthesis, and angiogenesis 1,6. Maintaining a near-physiological pH supports optimal release of PDGF, TGF-β, VEGF, and other healing mediators.
- Patient Comfort and Safety:Acidic PRP can cause more stinging or burning upon injection, leading to increased patient discomfort 7. Maintaining neutral pH improves tolerability, especially in sensitive facial or scalp procedures.
- Healing Outcomes:Studies show that PRP prepared at physiological pH enhances platelet activation, growth factor release, and cell proliferation 4,5. Acidic PRP is less effective for chronic pain, wound healing, and aesthetic results.
- Inflammation and Side Effects:Acidic PRP may provoke more inflammation, swelling, or pain post-injection, which is particularly problematic in aesthetic clinics 7.
- Variables affecting PRP efficacy:“While normal blood pH is 7.35, some PRP preparation devices use acidic citrate as an anticoagulant to prevent platelet activation, which results in platelet acidification with approximate pH values of 6.5–6.8. Acidification reduces platelet aggregation by >50%.” 5
- Patient comfort:“Patients, however, may experience increased pain because of calcium chloride owing to its low pH of 6.3.” 7
- Growth factor release:“Activation method influences both the physical form and the releasate in terms of GF amount and release kinetic.” 1,6
- Most competitors (including EmCyte, Harvest, Arthrex, Dr. PRP, RegenLab, Manson, IPPOCARE, Progen, Integrity PRP, Zimmer Biomet) produce PRP that is slightly acidic to neutral (pH 6.8–7.1), which may reduce efficacy and increase injection discomfort.
- RegenLab and similar citrate-based systems tend to be more acidic, which can impair platelet aggregation and cause more stinging on injection.
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