Key for melasma treatment
Anyone outside a healthy, monitored research context and especially anyone in one of the sensitive groups above sits entirely beyond the edge of what has been studied, which is exactly why a clinicians judgement, not a web page, is the right place for that decision to be made
Potential Skin Benefits : Some people use glutathione for its purported skin-lightening effects, although more research is needed in this area
The peptide blocks inflammatory signals and reduces swelling, pain, and discomfort
Tripeptide Wound Healing & ECM Remodelling Review (Med Sci, 2025) A comprehensive 2025 review of tripeptides in wound healing and skin regeneration confirmed GHK-Cu as the most studied tripeptide in the context of wound repair and scar minimisation
For scars, expect gradual, modest skin-quality improvement at best