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Peptide Blog

Palmitoyl Tetrapeptide (Rigin) Research

Palmitoyl Tetrapeptide was originally developed as a potential immunostimulatory and neurotrophic (can regrow nervous tissue) peptide. It is still under active investigation for its ability to encourage nerve healing, particularly after burns and tissue grafts [2].

Recently, interest in rigin has increased among researchers involved in trying to understand how extracellular matrix (ECM) growth is modulated. Palmitoyl Tetrapeptide is being investigated in animal models for its ability to influence collagen and elastin synthesis in the ECM and thus for its ability to improve skin elasticity and firmness [3].