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Natural Indigo Powder,Indigo Hair Color ,Indigo Powder Hair ,Indigo Hair Powder ,Indigo Powder for Hair Color
Indigo naturalis extract is a concentrated mixture made by extracting (or ''pulling'') isatis indigotica’s chemical constituents out of the inert plant fiber (cellulose) with a solution of grain alcohol and water. Good indigo naturalis extract should optimally preserve the aroma, taste and biological activity of isatis indigotica from which it is made.