How to remove Nose Blackhead Blackheads are one of the less severe forms of acne. They get their name from the color of their dark or black outer surface, which is caused by the presence of melanin and oxidized oils in them. Sometimes, blackheads can also look yellow. what causes blackheads Most skin imperfections, including pimples and blackheads, are frequently caused by hormonal shifts. High levels of DHT typically lead to an overproduction of sebaceous glands, which results in clogged pores, especially throughout puberty and adolescence. Blackheads , particularly those on the nose, chin, and cheeks, are caused by an accumulation of oils, dead skin cells, and germs when pores become clogged. Despite the fact that hormonal changes are most frequently brought on by puberty, depending on the situation, blackheads can develop at any age or time. where using oil-containing cosmetics and skin care products can clog pores and make skin more prone to the development of blackheads. ...