Blackheads occur when your pores becomes blocked by sebum and dead skin. The black colour is not dirt. When the sebum and dead skin are exposed to the air they oxidize, which turns them black.There are many ways to get rid of them, from homespun remedies to medical treatments.lackheads occur when your pores becomes blocked by sebum and dead skin. The black colour is not dirt. When the sebum and dead skin are exposed to the air they oxidize, which turns them black.
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A molecule having both hydrophobic and hydrophilic regions is called.. Amphiphile is a term describing a chemical compound possessing both hydrophilic (water-loving, polar) and lipophilic (fat-loving) properties. Such a compound is called amphiphilic or amphipathic. Ã Sell your old school/college notes here at www.studyalways.com and make money for free