Question

why our lips become black when we smoke???

Answer 1

hiiii mate here is the answer

Inhalation of tar from the cigarettesmoke can cause discoloration by constricting blood vessels in the skin. Limited blood flow can cause yourrosy pink lips turn into dark blackversion, which is difficult to get rid of.

hope it may help you

Answer 2

cigarettes contain more than 50 types of cancer causing agents and thats why,

the darkening of lips is one of the signs of a chain smoker whose lips are affected by some of these cancer causing agents.

$hope \: helps$
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