Milmag.pl
This picture is from "Minimally Invasive Percutaneous Collagen Induction" by Desmond Fernandes - co-inventor of the Dermaroller - and it shows that creams put on the skin after dermarolling penetrate the papillary dermis
results may be slower than injections Injectable Peptides Best for: BPC-157, TB-500, GHK-Cu (subcutaneous) Advantages: Higher bioavailability, systemic benefits beyond hair (skin, joints, healing), faster onset of action Limitations: Requires injection protocol, not suitable for everyone, may need to be administered by a healthcare professional The Combination Approach Many practitioners and biohackers report the best results by combining topical and injectable peptides
Since BPC-157 isn't regulated as a drug, quality varies widely between sources
Additionally, by reducing scalp inflammation (an underappreciated cause of some hair loss), GHK-Cu can create a healthier environment for hair growth