How long does Henna tats last?

Question

How long does Henna tats last?

Answer 1

The design lasts from a period of one to four weeks.  This depends on factors like the depth of the henna dye stain, what part of the body the design has been done on (it sinks deeper and fades away quicker on hands) and the amount of times the design is exposed to rubbing, soap and water.  Henna designs also fade away quicker in chlorine and seawater.  

Answer 2

a week or so.

it is still visible after a week, but has a different color and you might as well wash it after.

Answer 3

5-7 days. Then they begin to fade. it may take upto 2 weeks to completely fade away.

Answer 4

  I heard about a week