Has anyone found a product that stops hair frizzing in humidity?

[CountessDracula]

I so need it if you have

have GHDs
Have frizz ease (the dark blue v powerful one)
neither work when I am in a very humid place

I need to go to a wedding in humidity hell this summer - what can I use???

have you seen this ? Vanessa Feltz apparently tried it and was talking about it on BBC Radio London - she was very impressed...here

oh my god
I am booking in for it now
It will transform my summer!