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Collagen peptides support hair health by improving scalp elasticity and strengthening hair strands, but they do not directly stimulate new hair growth like copper peptides or other hair-specific peptides
Enzyme stability: Stable in plasma (not degraded by plasma enzymes)
Mechanism investigation focuses on Akt-eNOS axis activation and sustained NO synthesis for neovascularization
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HS: Writing review and editing, Methodology, Writing original draft
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