True Indigo has been cultivated and highly valued for centuries as a main source of indigo dye. It is also traditionally used to provide relief from skin inflammation, eczema, and psoriasis. Modern science has proven it effective as an anti-inflammatory1and anti-microbial2agent. It is also useful in the reduction of skin cell proliferation3, a useful property for psoriatic patients.
Kunikata T, et al., Indirubin inhibits inflammatory reactions in delayed-type hypersensitivity. Eur J Pharmacol. 2000;20;410(1):93-100.
Chiang YR, Li A, Leu YL, Fang JY, Lin YK. An in vitro study of the antimicrobial effects of indigo naturalis prepared from Strobilanthes formosanus Moore. Molecules. 2013 Nov 21;18(11):14381-96.
Lin YK. et al., The efficacy and safety of topically applied indigo naturalis ointment in patients with plaque-type psoriasis. Dermatology. 2007;214(2):155-61.
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