Collagen Deposition Comparative Data: Research comparing GHK-Cu to other skin-active ingredients found that the peptide produced a 70% increase in collagen deposition over 30 days, compared to 50% for vitamin C and 40% for tretinoin (retinoic acid) in equivalent formulations
Preisig M, Fenton BT, Matthey ML, Berney A, Ferrero F (1999)
A lack of selenium can result in the tissues of our body, including our skin, aging much faster than they otherwise would
6.4.2 Global standardization of EED risk assessment 6.4.2.1 International harmonization efforts World Health Organization-endorsed biomonitoring guidelines aim to standardize global EED risk assessment methodologies, improving cross-border exposure comparisons and policy coordination (143)
Yokoyama K, Takahashi N, Yada Y