It will cut your blow dry time in half. Most mom’s do not need to blow dry their hair at all after the treatment.
So, with this
treatment, can a woman let her hair dry naturally and
expect straight hair during the 3-4 months post
treatment?
You can let your hair dry on its own and it will be
smooth and frizz free. If you like your hair to be pin
straight you might have to blow dry,It depends on how
curly your hair is and how straight you want it.
The treatment will gradually and evenly wear off the hair in about 3 to 4 months.
Here is a before and after picture so you can see the dramatic difference in how your hair would look:

