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Smoking in the summer increases the 'premature aging skin?

now everyone knows that smoking , along with ultraviolet radiation is one of the most powerful factors of skin aging .
Smoking is one of the biggest culprits in the production of free radicals, responsible for the ' cell aging, as oxidized lipid cell membranes and intercellular. The
" SMOKER FACE" was named the atrophic skin, characterized by clear lines , bony, accentuated skin pigmentation, changes more pronounced in women than in men, especially in smokers.
Have been performed many scientific studies that have allowed us to understand what happens to the skin in a smoker subject:
cutaneous blood flow is reduced by 20% after smoking two cigarettes, increases after about 4 minutes, 50%, but not return to normal
the alteration of the skin barrier is manifested by the loss of 'Transepidermal water and an increase in dryness.
Unfortunately, these effects are present both in smokers than in passive atttivi.
The combination of sugaretta SMOKE EXPOSURE to the sun and lead to a reduction of 62% of the skin barrier damage only higher than that induced by ultraviolet radiation.