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Eye cream study (41 women, 12 weeks): GHK-Cu eye cream outperformed both placebo and vitamin K cream for reducing wrinkles and increasing skin density around the eyes (PMID 26236730)

The peptide also restores mucin production the protective glycoprotein layer separating gut bacteria from epithelial cells

Moreover, other routes of administration, such as intravenous, intranasal, and sublingual administration, can increase GSH levels [99]

(13) The murine models were divided into six groups, where the control group was presented with a placebo and the rest with DSIP

The precise ghk-cu dosage should be determined in consultation with a qualified healthcare provider