The thing is that you have first to find one or a dermatologist that will agree to do it for you
The single solvent dissolves all four peptides together, which keeps the fixed composition ratio intact
To be frank, it is the belief of our chief scientist that the so called second generation copper peptides or copper chloride+hydrolyzed soy protein is not a real copper peptide, but a copper and protein complex
Bruheim K, Guren MG, Skovlund E, Hjermstad MJ, Dahl O, Frykholm G et al (2010) Late side effects and quality of life after radiotherapy for rectal cancer
The NHS lists injection-site pain and itching as common and self-limiting
L-Glutathione reduced is known to be essential in pheomelanin formulation