Blue Scorpion Peptide CTX™ is the “secret sauce” behind the powerful results of all MRVL products. Scientifically engineered to achieve the perfect concentration of healthy enzymes, vitamins, minerals, and amino acids, our trademark ingredient contains beneficial antioxidants and peptides that help rejuvenate skin for optimal results and long-term benefits. MRVL’s Blue Scorpion Peptide CTX™ is never synthesized, setting us apart from other manufacturers so you can achieve optimal results.