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1 Are glutathione and L-glutathione the same
it fundamentally changes the peptide's behavior and, consequently, your research design
Some may require additional sessions for deeper pigmentation or melasma
NOTE: All successful studies on GHK-copper use at least 0.33% GHK-copper for areas with thicker skin (such as the face) or 0.03% for thinner skin (such as that around the eyes)
Q5: Who is an ideal candidate for GHK-Cu
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