Growth factors including IGF1, VEGF, and FGF2 promote follicular development and angiogenesis, with decreased levels associated with follicular atresia [213, 218,219,220]
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Thus, if you have low levels of HCl (known as hypochlorhydria), or if you have low levels of your digestive and/or pancreatic enzymes that target protein, you may not be able to absorb sufficient levels of the amino acids required for glutathione synthesis even if you consume adequate levels
R.BusseyT
Thus, without further treatment and consultation with a dermatologist, any effect obtained from glutathione skin treatment will wear off after some time as new skin cells grow
Jul 22 2020;21(15)doi:10.3390/ijms21155175