black heads are are small black spots, dark spots caused by a small plug at the opening of a follicle (pore) in the skin. Black spots are also called open comedomes. A black spot is a type of acne vulgaris. It is caused by excess oils that have accumulated in the sebaceous gland ’s duct. Black spots are usually caused by excessive oil and makeup that can facilitate the multiplication of the bacterium Propionibacterium acnes, the predominant anaerobic bacteria of the normal flora of the skin. The substance found in these bumps mostly consists of keratin and modified sebum (an oily secretion of the sebaceous gland), which darkens
(like the earth) as rust. Black dots are the brothers of the grains slightly different, and like grains, squeezing them can be addictive. Composed of the same oil, or sebum, that contributes to the production of grains, shins the result of construction of this oil into the pores of the difference in appearance is the esult of shin exposure to air, reaction of which with the oil causes the trademark black color of these defects. And while blackheads are more easily obscured by makeup, which may seem less offensive to the victim, and consequently less damaging to squeeze. But squeezing is not good for shin. It leaves a permanent scar on the skin and also infection occurs.
Blackheads and especially whiteheads are promoted by the dark appearance is caused by skin cells densely populated, which take a dark color excessive cell exfoliation. Another name for pimples is open comedones, skin color are flat, dark spots that form when pores become clogged with a mixture of sebum (or oil) and dead skin cells. White spots and pimples, both symptoms of the skin disease acne usually appear on the face and shoulders, but can also develop on the trunk, arms, legs and buttocks. They are more common in adolescents, but can occur at any age, including babies. Treatment for pimples and blackheads depends on the severity of the condition. blackhead treatment?may include lotions or gels placed on blemishes or sometimes entire areas of skin, such as the chest or back (topical medication). Oral medications such as antibiotics may be prescribed.