For example, you might have a test 7 to 10 days after starting and another after about eight weeks
This serves two purposes: it improves absorption and distribution of the serum, and the massage itself stimulates scalp microcirculation amplifying the angiogenesis effects GHK-Cu is producing at the cellular level
Yamaguchi H, Kato H, Hata Y, et al
The results are inconclusive, but there are some promising results so far: In one small study with just 12 (healthy middle-aged non-smoker) subjects (taking either 500 or 1,000 mg per day liposomal glutathione for four weeks), there was a trend for increasing glutathione levels, although it only became significant in the 500 mg dose after two weeks, which was also the largest increase at 25%
Clin Exp Immunol 166(2):281290