Eisenbrand PDG
Infection, lyme, bartonella, toxicity such as mercury and other heavy metals likely can affect this also
Preclinical studies have described the role of Vitamin E in AD: it seems to reduce transepidermal water loss (TEWL), which is associated with AD pathogenesis, and to induce the expression of the transglutaminase-1 gene, involved in terminal differentiation of keratinocytes and in the formation of the stratum corneum (8385)
Journal of Dermatological Science, Vol 58, Issue 2, May 2010, Pages 85-90 The Age-Related Eye Disease Study 2 (AREDS2) Research Group*
In addition to its role in redox buffering, GSH is a regulator of redox-dependent signaling and post-translational modification
As I said earlier, be wary of exfoliating acid cleansers