Do you perchance have Kirine's face saved in an existing Beauty Slot?
You would be unable to purchase 'Kirine Face' if you already have it saved.
#Unable to Change Face Style to Kirine through Dressing Room
toxic cargo
sleek pivot
Do you perchance have Kirine's face saved in an existing Beauty Slot?
You would ...
Oh, yes I do. I guess the reason was obvious, whoops.
toxic cargo
No worries 
It's not very clear, but even with a different skin tone it gives that error, so you'd need to change to Kirine via the Beauty Slot, and then change the skin tone separately.
sleek pivot
I see, I might as well delete the post if that's possible(?). Thank you!
Edit: I guess it's not unless that's role-specific.