Hair PRP

Hair growth factor injection (PRP) Preparation and Aftercare

Best prepare for your hair growth factor (PRP)  injections and follow aftercare instructions from Dr Wen for best results.



  • Avoid medications that can cause bruising like Aspirin, fish oil, Vitamin E, herbal medications, etc., for a week prior to the treatment.
  • Discontinue any non-steroidal anti-inflammatory medication such as Nurofen, Ibuprofen, Celebrex for 2 days prior until 10 days after the PRP therapy.
  • Minimal alcohol, caffeine, fatty food and ideally a healthy diet.
  • Try to have a good night’s sleep prior to the day of the procedure as it may assist platelet yield


During Procedure

  • Wash your hair in the morning of the procedure and do not apply any hair product
  • Topical numbing gel will be applied over the scalp to provide adequate analgesia prior to the injection
  • Small volume of blood (15-30ml) is collected in the same way as a standard blood test and PRP are separated from whole blood using a special separating device
  • Concentrated PRP is then injected into superficial scalp using very fine and short needle



  • It is recommended not to wash your hair for at least 6 hours post-procedure
  • You may resume your normal activities, however, avoid any strenuous exercise for at least 12 hours
  • If you require pain relief, please use Panadol based medication
  • You will not be able to take any anti-inflammatory for 10 days after the procedure.
  • Avoid using any topical scalp product or medicated solution for at least 3 days after the injection

What to expect post treatment?

New hair growth and better hair health can be seen as earl as 4 months after completion of treatment. Noticeable results are typically evident between 6-9 months after the treatment and will continue to improve for up to a year. Rarely some patients may experience temporary hair shedding at the beginning of the treatment but this usually self-resolve.

Annual top-up injections are recommended to sustain the hair restoration benefits. Younger patients and patients with more recent hair loss will have better result.

Mar 2023