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Reconstituted solution storage requires 2-8C refrigeration with critical light protection (keep in dark or wrapped in foil), in original vial with tight seal, avoiding repeated temperature cycling and never freezing reconstituted solution

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One cited study of 20 women found new collagen production in 70% of those treated with Cu-GHK after one month, compared with 50% for vitamin C and 40% for retinoic acid [2]

Fertility preservation, such as egg or embryo freezing, may be recommended prior to starting HRT for those who want biological children in the future