Its their Vit C Gluta Advanced Brightening Serum, which Ive been using for about a week now
Non-injectable GHK-Cu is permitted for 503A compounding by state-licensed pharmacies under the May 14, 2026 FDA reference document
Yes, but a patch test is recommended
Copper peptides are often used in micro-infusion-style routines, but only when the product and tool are suitable for that use
Reduced Sun Damage As an antioxidant, glutathione helps protect the skin from UV damage
Photo by Innerbody Research Though there are other copper peptides, and a few peptide complexes may contain copper as an ingredient, the term copper peptides in skin care almost always refers to one particular peptide: copper tripeptide-1, also known as GHK-Cu.3 GHK-Cu consists of two parts: the tripeptide GHK (amino acid sequence glycyl-histidyl-lysine) and copper (Cu).12 The tripeptide GHK without the copper was discovered in 1973 by Dr