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In addition to improving skin laxity, clarity, firmness and appearance, reducing fine lines, coarse wrinkles and mottled pigmentation, and increasing skin density and thickness, GHK-Cu cream applied twice daily for 12 weeks also strongly stimulated dermal keratinocyte proliferation [17]
In the following decades, the compound was developed as a cosmetic ingredient (creams, rejuvenating serums under the Cosmetic Regulation) and as a research tool in work on wound healing, matrix remodeling and copper biology
Endocr Res 41(1):2833 Chopra K, Ishibashi S, Amaya E (2019) Zebrafish duox mutations provide a model for human congenital hypothyroidism
The balance between eumelanin and pheomelanin influences skin tone
If you miss a dose and fewer than 5 days have passed, inject as soon as possible