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Researchers demonstrated that Dihexa improved spatial learning and memory in the Morris water maze and radial arm maze in rats with scopolamine-induced cognitive deficits and in aged rats with naturally occurring cognitive decline
Its in the unsafe list above bc of a chemical sunscreen although its a serum, but then below here in one of the comments you state it is safe
What are the Limitations of Using GHK-Cu
It has pseudovitamin B12, which has not been shown to be effective in humans
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