How to Make Henna Powder From Leaves | LEAFtv
Grind the powder as fine as you can get it, using a mortar and pestle. Be sure to pick out any leaves or stems. Strain the resulting powder through a fine sieve or a muslin cloth. Try to get the powder as fine as you can. Use the henna powder right away, or store it in a sealed plastic bag. Exposure to heat and light can cause it to lose potency.