I didn’t think a hair ampoule could change my scalp—until it did. In just 30 days, my thinning hair transformed: fewer strands falling out, baby hairs sprouting, and a fuller part line I didn’t think was possible. Here’s my honest review of the VT PDRN Reedle Shot Hair Ampoule (plus a secret pre-sale you won’t want to miss). What is PDRN and How Does It Benefit the Scalp? The star ingredient in this ampoule is PDRN, a skin-repairing compound originally…