does glutathione thin the skin Secret of Health - CLNQ Manchester | Cheshire How to Take Glutathione Effectively:

GHK-Cu stimulates fibroblast proliferation, increases collagen I and III deposition, and promotes glycosaminoglycan synthesis (including hyaluronic acid)

Comparison studies consistently show GHK-Cu outperforming other collagen-stimulating ingredients

The latter is better, but we recommend methylcobalamin, as it includes a methyl group and directly aids in lowering homocysteine levels and in fixing nerve damage, two issues often faced by pernicious anemia and B12 deficiency patients

GHK-Cu-treated tissues show improved collagen fiber alignment, enhanced extracellular matrix organization, and reduced inflammatory cell infiltration