Air pollution and assaults and clogs the skin, it breathes less, pores are blocked and sebum doesn’t clear as well.

An unbalanced diet or stress, and especially smoking can also cause the same inconveniences.

If you smoke occasionally, it will not be betrayed by your complexion, but if you smoke it will be much duller and your skin will be oily. The skin is dehydrated and you have to provide care in cleansing and moisturising.