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The longer and further a client has to be treated, the higher the amount will be

doi:10.3390/ijms19071987 8

"Expression of glycosaminoglycans and small proteoglycans in wounds: modulation by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu(2+)"

Individuals with cobalamin (Vitamin B12) deficiencies, neuropathy, or conditions like Crohns disease and celiac disease, which impair nutrient absorption, might also require this test

Always patch test on a small area before first use, especially after intensive cosmetic treatments
