So.. umm.. yeah.. it could be the water's characteristics i.e. soft/hard, mineralised etc that prescribes an optimal temperature combination. Would be interesting if we can start discerning something such as: with soft water, warm shaves are better and with hard better to have a cold shave..

I guess what I am thinking is try to deduce whether we are best served using hot or cold water depending on where we are rather than to just say every man is different etc.