doi: 10.1016/j.clinbiochem.2003.08.004
to achieve a therapeutic effect, most people need to turn to supplementation or dietary changes (theres some found in red meat, for example)
Every product undergoes third party testing for purity, safety, and potency
Ingredients (INCI):(Sodium Cocoate, Sodium Palmitate), Glycerin, Sodium Lactate, (Water, Butylene Glycol, Arbutin, Citric Acid, Sodium Sulfite, Acetyl Tyrosine, Saxifraga Sarmentosa Extract, Paeonia Suffructicosa Root Extract, Aminopropyl Ascorbyl Phosphate, Scutellaria Baicalensis Root Extract, Glutathione), Sodium Cocoyl Isethionate, Disodium Lauryl Sulfosuccinate, Citric Acid, Glutathione, Fragrance, Butylene Glycol, Water, Palmitoyl Hydroxypropyl Trimonium, Amylopectin/Glycerin Crosspolymer, Ascorbic Acid, Lecithin), Allantoin, Methyl Paraben, Water, Butylated Hydroxytoluene, Tetrasodium Etidronate,CI 77891
Plasma GHK-Cu levels start dropping measurably around age 25, the same age you begin losing roughly 1% of your collagen per year