Because irritation is a problem for skin, anything that irritates the skin should be avoided
as much as possible. Heat is one of those things that should be avoided. As good as hot
water, direct steam, or dry saunas feel on the skin, they end up causing more problems for
the health of the skin. For years, I have recommended washing the face with tepid water.
This is because hot water burns the skin and cold water shocks it, and both leave it irritated
and dry. These two temperature extremes can also injure skin cells, dehydrate the skin, and
cause capillaries to surface. Extreme temperatures in any form cause problems for the skin,
but heat is the more attractive alternative (most people avoid a cold shower or bath).