y-age glutathione patches Glutathion Patch LifeWave Y-Age Glutathione Patches –

Asher said he initially became interested in glutathione after reading a study showing that kids with asthma have lower glutathione levels than those who do not have the disorder

Zalesak M, Danisovic L, Harsanyi S

Other (less serious) concerns are if EGF can properly penetrate the skin (as it is a medium-sized, polar molecule, so a special delivery system is probably needed), if it can affect collagen synthesis (or just works on the surface plumping up only the upmost layers of the skin) and if it has beneficial effects at all when used in isolation versus when used in a "conditioned media" that contains lots of growth factors resembling the synergistic balance found in the skin

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Creatine supplementation, physical exercise and oxidative stress markers: A review of the mechanisms and effectiveness