AHK Cu (Raw) 1g Ion Peptide NOLUVA Copper Peptide Hair Regrowth Serum GHK Cu & AHK Cu 30ml British Harmonia Natural Makeup & Fragrance by British Harmonia UK Not all hair serums are built the same This one is powered by a dual copper peptide system GHK Cu + AHK Cu Designed to support: stronger feeling hair improved elasticity But why is it ORANGE ? It's because 5 Amino 1MQ is naturally orange when it's in its fully methylated state. That's the form it's in when it's most active and effective, and it's 5 Amino 1MQ Polar Peptides 5 Amino Peptide 1g Australia Metabolic Research Peptide IM AEGYO