GHK+MSM Skin Smoothing & Soothing Serum: Water, methylsulfonylmethane, glycerin, copper tripeptide-1 (GHK-Cu), phenoxyethanol, hydroxyethylcellulose, polysorbate 20, glycine, butylene glycol, allantoin, polysorbate 80, aloe barbadensis (aloe vera) powder, vitamin E TPGS (tocophersolan), fragrance (aloe) Material Safety Data Sheet: GHK MSM Skin Smoothing Soothing Serum SKU: 92
PMID: 21188163
Analysis of this data can reveal patterns such as diminishing returns, sudden drops in efficacy, or the emergence of new responses, all of which can inform cycling decisions
Br J Nutr 80(Suppl 1):S77S112