Editing pchair.iff

I have a question how can i delete stripe on ''natural parts'' hairstyle? Here is this stripe ingame
And this is this hairstyle in photoshop after ive edited it.As you can see ive deleted this stripe but ingame it still have it.So my question is how can i delete this ''invisible'' texture?

thank you guys

Its probably the alpha channel in the hair file

thank you guys

listen, I am more than willing to help out everywhere and any way I can, but I can't load up your file you want to edit, try editing it myself, then load it in-game to see if it did what you wanted. Mainly because there are dozens of other requests/helps going out too. So, You're Welcome