Thanks Jas76 and Spiralspunk! I DID do a protein treatment (Aphogee 2-step protein treatment) and this has helped enormously with breakage. I will start doing hardcore DT, as I usually get lazy with it and skip the plastic cap&heating.

I guess I should invest in a good organic shampoo as I'm more picky about the conditioner, but its possible that the shampoo I have is just too harsh, ill give it a go only shampooing once a week!

Thanks again