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tripeptide CAS 49557-75-7) is the copper(II) complex of the naturally occurring human tripeptide glycyl-L-histidyl-L-lysine (GHK) , originally isolated from human plasma in 1973 by Dr
However, it is not clearly known how much of these ingredients actually pass through the skin and reach the bloodstream to produce noticeable effects
Saito S, Cao DY, Okuno A, Li X, Peng Z, Kelel M, Tsuji NM
Products with undeclared active substances are particularly risky
Is Chronic Fatigue Adrenal Fatigue
Hypertension 39 , 184188 (2002)
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