It really brightens, smooths, minimises pores and gives a lovely glow to your skin
E.RaqeebA.Della CorteA.CinelliM.MontagnaniS.et al (2013)
468-474, (2016) (PubMed)
The degradation of glutathione by GGT recruits amino acids, notably Cys, to cells, but also produces -glutamyl peptides extracellularly under certain circumstances
At Perfect B, the standard GHK-Cu dosage is 1 mg per day (4 units on an insulin syringe) for days 1-15, escalating to 2 mg per day (8 units) for days 16-30
While more human trials are needed to further explore this topic, one study showed depleted levels of glutathione in the hippocampus of generally healthy elderly persons, resulting in mild cognitive impairment, a precursor to more advanced impairment down the road