PRP injection therapies
alopecia
ALOPECIA
One tube of PRP was thawed before each treatment and injected into the scalp as soon as possible. The scalp and the surrounding 2 cm of the alopecia area were disinfected with iodophor before injection. The injection of PRP was used in a 1‐ml syringe with a 0.3 × 13.0 mm needle. Subcutaneous injection at a density of 0.1ml/cm