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Topical GHK-Cu alone is unlikely to produce dramatic regrowth in advanced cases, but for early thinning it can slow progression and support follicle health

J Pharm Exp Ther

The current standard operating procedure by the European Center for the Validation of Alternative Methods (ECVAM) recommends the use of MTT reduction as parameter to make prediction on the skin irritancy of substances using EpiSkin TM test method, while IL-1 endpoint is regarded as a useful adjunct to MTT assay 48

L., Stott, K., Watson, M

Can GHK-Cu be used after microneedling or laser treatments

[DOI] [PubMed] [Google Scholar] 51.He L, Feng D, Guo H, Zhou Y, Li Z, Zhang K, et al