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Son, Hyunjun Lee Journal: Food & function Journal ranking: Q1 Key takeaways: Oral intake of collagen peptide NS, containing Gly-Pro and Pro-Hyp, significantly improves skin hydration, elasticity, desquamation, and wrinkling in women aged 30 to 60 years without causing side effects
Performed the study: EA, AAZ and TV
For researchers working in preclinical and laboratory contexts, the July 2026 decision does not change availability of research-grade material
This protocol delivers maximum copper peptide exposure but requires skin that tolerates high active ingredient loads
