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However, mechanism selectivity means peptides excel for specific applications but not universal panaceas

In a study published in the Bulletin of Experimental Biology and Medicine (2003), Epithalon increased telomerase activity by 2.4-fold in human pulmonary fibroblasts and extended the replicative lifespan of these cells beyond the Hayflick limit (passage 44 vs

GHK-Cu is extensively studied for its ability to stimulate collagen production, reduce oxidative stress, and enhance wound healing

By 8 weeks, the mean stratum corneum hydration significantly increased from 43.7 to 51.7, along with skin elasticity in the treatment group