What is the difference between these two expressions?
- Your hair needs brushing.
- Your hair needs to be brushed.
What is the difference between these two expressions?
- Your hair needs brushing.
- Your hair needs to be brushed.
There is no difference. Just two different ways to say the same thing.
Sorry about that last one. I am just joking. Your hair is fine. :-)
No difference, it is purely stylistic.
A very small hint that in 1. you have to do it yourself, and in 2. you will have it done