To start, let’s define acne. According to experts, acne refers to a skin condition that occurs when a build up of oil, sebum, and dead skin cells clog pores and hair follicles. The result is the ...

Like all pimples, blackheads occur when a mixture of dead skin cells and excess skin oils block the exit of a pore. With whiteheads the pore is closed (giving it that about-to-burst look), but the ...

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