Conditioning Hairdressing (Extra Body for Fine Hair)

Have fine (but lots of it), shoulder length hair destroyed by ammonia based permanent haircolor. Switched to the demi-permanents but don't want to get it cut short. Have tried everything i could...

I remember Vo5 from years ago...my Uncle used it for his 50's style "greaser" hairdo...yuck. But I noticed this product was for fine hair, and for the less than $3.00 price, what the heck. I was...