Depending on the hair removal treatment you had done(Laser or Waxing)it can last any where from a couple weeks to three months.
How long will a hair Texturizer last
it depneds on the quality of the hair
Not for long, because it is not permanent.
It lasts as long as it doesnt get wet.
5 years.
Why is the importance of removing excess moisture from the hair
How long hair lasts depends on the quality of the hair you buy & how YOU maintain it.
You might get two washes from it then you will have to put it in your hair again.
a month or two
till the next shampoo
About 2 to 3 months
up to one month.