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FIGURE 3 4.2.2 Structure-activity relationship of melanin inhibitory peptides The results show that the molecular weight, size and amino acid composition of peptide will significantly affect the anti-tyrosinase ability (Putri et al., 2025)

Along with that they also help in the removal of dark spots and acne

10.1186/s13018-021-02771-1 27 KauxJ

beauty brands that want to trial a GHK-Cu serum concept before making a bigger investment in a custom line. Best fit: Copper peptide serum projects fast launch for aestheticians, small beauty startups and U.S

The typical starting dose is 0.25 mg, which is gradually increased to 1 mg over a few weeks to minimize side effects and enhance tolerance