Hot water is the normal thing when you have a run of the mill skin type. With our skin types hot water will make your hair follicles raise. And a plumped follicle is asking to be nicked. Ok so pre shave i'd go with proraso white sensitive or I at the moment I am really loving Nuage shave oil. Its a really good oil and the menthol isn't to heavy but refreshing for the hot days with been having.
http://www.expresschemist.co.uk/nuage-men-shaving-oil-with-menthol-20ml.html#.V9nCQ8vTXqA
Trust me its really worth getting this oil.
And as important as my prep is, my shave is the next stage. Making sure you listen to your skin and then the final of post shave. For me I had to stop alum block unless I had a real bleeder and even then only on the cut or nick. Witch hazel applied sparingly and for post shave i've found Cool Fix by Shaveworks, is like a magic of the gods. I took the dive on Cool Fix from a recommendation by
@p.b I really can't tell you how much this has helped me. A little goes a long way. I found mine at tkmax for £8. Its costs more online. But i'd pay the full amount now I know how good it is.