Why do some powders clog?  Why are some so green?  Will you have to sift the powder to get it through a tip, and waste time and money?  What will you see if you look up close? 

What does this 60x Database show, and how was it done?
http://www.mehandi.com/closeup/powders1.html

What henna powders are in this database?
http://www.mehandi.com/closeup/60xindex.html

How can you help make this database grow?
http://www.mehandi.com/closeup/60xhelp.html