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Realistic expectation: modest skin quality improvement, not dramatic cosmetic transformation
Readers should consult the relevant NICE technology appraisals for full details
Administration route affects bioavailability, onset of action, duration of effect, and practicality for long-term use
Researchers observed that the peptides effects were modulated by NOS inhibitors and NO donors, suggesting involvement of the NO-cGMP signaling axis [4]
The tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu stimulates MMP-2 expression by fibroblast cultures
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