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The benefits of the injections can be sustained by taking the tablets regularly
Dedicated studies comparing the combination to each peptide alone are still needed to confirm any added effect
Widely used for whitening in Japan
NAD+ is essential for energy metabolism
It was demonstrated that the molecular determinant(s) unifying these phenomena, was related to GSH and GSH-sensitive molecular factors
The 500 Dalton rule suggests small peptides can cross the stratum corneum, but intact copper coordination and hydrophilicity reduce net penetration
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