KGF-1 vs Leuphasyl

Binds FGFR2b (the KGF receptor), which is exclusively expressed on epithelial cells — providing tissue-specific action without mesenchymal effects. Activates RAS/MAPK and PI3K/Akt to promote keratinocyte proliferation and migration. Extends the anagen phase of the hair growth cycle.

A member of the fibroblast growth factor family that specifically and exclusively targets epithelial cells via FGFR2b. A potent stimulator of keratinocyte proliferation with applications in wound healing, hair follicle growth, and mucosal repair.

Tetrapeptide that mimics enkephalin to modulate facial muscle contraction; competes with enkephalin for opioid receptor sites in neuromuscular junctions; reduces repetitive muscle micro-contractions

A neuromodulating peptide that reduces expression lines via the enkephalin pathway, distinct from SNARE-inhibiting peptides (Argireline, SNAP-8). Complements those actives through a different mechanism.