If you click on "Click Here to See More" in the Highlights section, it will extend the product description and one of the grey boxes at the bottom under "The Gist" will let you know if the style has permatease.
Here is how it looks with a style with permatease:
And here is how it looks for a style that does not have permatease:
You can see that there is no box that states there is permatease in the wig.
I hope this information has been helpful for you!