Using a natural plant paste called henna; Mehndi is the
ancient decorative art form used for rememberace of an occasion
or oftentimes a special trip.... to embibe a wish or sacred remembrance.
Jagua is also a paste (from an amazonian plant) and stiains the
skin a rich black and fades to a lighter blueish color and can last
for several weeks... it is also used to mark an occasion.