Product Description: Fibroblast Growth Factor 5 (FGF-5) is a secreted heparin-binding growth factor that binds to FGF receptors FGFR1 and FGFR2. FGF-5 is expressed in the mesenchyme, skeletal muscles, central nervous system, and hair follicles to promote cell differentiation and proliferation. FGF-5 functions as a regulatory factor during hair elongation and skeletal muscle development.This product is produced with no animal derived raw products. All processing and handling employs animal free equipment and animal free protocols.