Researchers developed a hydrogel formulation containing GHK peptide (the same bioactive sequence found in GHK-Cu) for treating radiation-damaged and sensitive skin. The study demonstrated that approximately 75-80% of peptides are released within the first hours of application, and both in vitro and dermatological testing showed the formulation safely stimulates cell migration, reduces redness and irritation, and improves skin moisturization without sensitizing effects.
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New research confirms GHK peptides achieve rapid 75-80% release rates within hours and demonstrate clinically proven benefits for radiation-damaged and sensitive skin repair.