Topical GHK-Cu is usually well tolerated, but some patients may notice mild irritation or redness, especially after procedures or with strong actives
In some embodiments, the lipid-based drug delivery formulation is a phospholipid-based formulation (e.g., hydrogenated or nonhydrogenated phospholipids, lecithins, phosphatidyl cholines (C8-C18), phosphatidylethanolamines (C8-C18), phosphatidylglycerols (C8-C18)) wherein the phospholipid is phospholipon 90H (1,2-dia-cyl-SN-glycero-3-phosphatidyl choline), egg phospholipids P123, Lipoid E80
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In conclusion, the study robustly demonstrated that FOXO4-DRI selectively eliminates senescent Leydig cells, reduces detrimental SASP factor secretion, improves the testicular microenvironment, and ultimately enhances sperm quality and spermatogenesis in aged mice, positioning it as a promising therapeutic candidate for age-related male infertility [2]