Superoxide dismutase - fibrosis

http://en.wikipedia.org/wiki/Superoxide_dismutase

Antifibrotic action of Cu/Zn SOD is mediated by TGF-β1 repression and phenotypic reversion of myofibroblasts:
http://www.sciencedirect.com/science/article/pii/S0891584900004317

Rooibos contains SOD:
http://www.now-university.com/Library/FamilyHealth/Children/078425.htm

http://en.wikipedia.org/wiki/TEMPOL

Has anyone considered this? Kind of makes the case for Rooibos tea or extract, internal and topical. I am thinking about rinsing with potent brew of Rooibos tea every couple days. Thoughts?