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The current GHK-Cu FDA approval status is mainly influenced by high drug development costs, limited clinical data, formulation stability challenges, and its established role as a GHK-Cu cosmetic ingredient
In addition, NRF2 can also regulate the transcriptional expression of metabolites involved in intermediate metabolism, some of which play essential roles in the regeneration of NADPH, a key electron donor needed to reduce oxidative substrates [108]
Its ability to promote elastin and collagen production makes it a highly sought-after ingredient in anti-aging skincare, where the effects of GHK-CU can help reduce the appearance of fine lines, improve skin firmness, reduce visible signs of aging and enhance overall skin appearance
Barchitta M, Maugeri A, La-Mastra C, La-Rosa MC, Favara G, Magnano San Lio R, et al
In summary, post-translational modifications, particularly ubiquitination, play a critical role in controlling CYP51A1 expression and function under stress conditions
