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The ingredient is generally well-tolerated, but people with Asteraceae or ragweed allergies may want to patch test first
One critical advantage for a sunscreen ingredient: GHK-Cu does not cause photosensitivity, unlike retinoids, as confirmed by Flychem
Biomarkers in Medicine
Disclosure & Dating: Pricing supplied by eNavvi, June 24 2025
Disclaimer This product is intended strictly for research use only (RUO)
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