Zoo ib yam li whiteheads, cov pob ntxau ntawm daim di ncauj tsim rau ntawm daim di ncauj, puab tsaig thiab qhov ntswg thaum qhov pores ua clogged. Cov papules no yog cov pores uas muaj sebum thiab me me ntawm keratin. Txhua qhov pore muaj cov qog sebaceous uas tuaj yeem nqus tau. Thaum sebum sib xyaw nrog cov tawv nqaij tuag thiab cov keratin fragments lossis cov proteins los ntawm cov epidermis, nws tsim cov pob qhov rooj uas zoo li lub taub hau dawb. Cov neeg uas muaj daim tawv nqaij oily yuav muaj ntau cov pob ntxau vim tias ntau sebum accumulates nyob rau hauv lub pores.
These baby whiteheads are more superficial than traditional whiteheads and often spread through wrinkles in the skin. These are common around the nostrils and in the chin folds as it is where oil is collected and placed throughout the day. Creases can also cause friction, and anything that causes skin friction can cause acne because the pores are irritated. That said, no matter how often you try to pop these pimples, they're likely to change depending on their location. Sometimes we just have pore problems and can flare up in the same area over and over again.