"If you have acne or blemish-prone skin, using a clay mask once a week can be really beneficial. They're super effective when ...

These clogged pores are commonly found on the nose, forehead ... do not reach the sebum and keratin inside the pores and aren’t useful for treating blackheads, says Spey. How do you prevent ...

Unlike whiteheads that create a pustule on top of the pore, trapping oil and sebum inside, blackheads are pores that remain open. This means the oil, dirt and bacteria is exposed to oxygen.