Misplaced Pages

#245754

17-683: [REDACTED] Look up blackhead in Wiktionary, the free dictionary. Black Head may refer to: Black head , a blocked sweat/sebaceous duct of the skin Headlands [ edit ] Antarctica [ edit ] Black Head (Graham Land) Black Head (South Georgia) Australia [ edit ] Black Head, New South Wales Republic of Ireland [ edit ] Black Head, County Clare , near Gleninagh United Kingdom [ edit ] Black Head (The Lizard), Cornwall , part of

34-416: A dermatologist using surgical instruments or cauterized with a device that uses light. The acne drug isotretinoin can cause severe flare-ups of macrocomedones, so dermatologists recommend removal before starting the drug and during treatment. Some research suggests that the common acne medications retinoids and azelaic acid are beneficial and do not cause increased pigmentation of the skin. If using

51-431: A retinoid, sunscreen is recommended. Favre–Racouchot syndrome occurs in sun-damaged skin and includes open and closed comedones. Nevus comedonicus or comedo nevus is a benign hamartoma (birthmark) of the pilosebaceous unit around the oil-producing gland in the skin. It has widened open hair follicles with dark keratin plugs that resemble comedones, but they are not actually comedones. Dowling–Degos disease

68-456: Is a genetic pigment disorder that includes comedo-like lesions and scars. Familial dyskeratotic comedones are a rare autosomal-dominant genetic condition, with keratotic (tough) papules and comedo-like lesions. Sebaceous filament A sebaceous filament is a tiny collection of sebum and dead skin cells around a hair follicle , which usually takes the form of a small, yellow to off-white hair -like strand when expressed from

85-516: Is different from Wikidata All article disambiguation pages All disambiguation pages blackhead The chronic inflammatory condition that usually includes comedones, inflamed papules, and pustules ( pimples ) is called acne. Infection causes inflammation and the development of pus . Whether a skin condition classifies as acne depends on the number of comedones and infection. Comedones should not be confused with sebaceous filaments . Comedo-type ductal carcinoma in situ (DCIS)

102-519: Is discouraged as sebaceous filaments are a natural part of healthy human skin. As such, squeezing can lead to unintentional unnecessary harm, such as scarring or inflammation . They help to channel the flow of sebum within a given pore, allowing it to seep gradually to the surface. In 1979, David A. Whiting described them in a review in the Western Journal of Medicine as "a loose, porous mass of horny detritus". This dermatology article

119-526: Is not related to the skin conditions discussed here. DCIS is a noninvasive form of breast cancer, but comedo-type DCIS may be more aggressive, so may be more likely to become invasive. Oil production in the sebaceous glands increases during puberty, causing comedones and acne to be common in adolescents. Acne is also found premenstrually and in women with polycystic ovarian syndrome . Smoking may worsen acne. Oxidation rather than poor hygiene or dirt causes blackheads to be black. Washing or scrubbing

136-466: Is unknown. A hair that does not emerge normally, an ingrown hair , can also block the pore and cause a bulge or lead to infection (causing inflammation and pus ). Genes may play a role in the chances of developing acne. Comedones may be more common in some ethnic groups. People of Latino and recent African descent may experience more inflammation in comedones, more comedonal acne, and earlier onset of inflammation. Comedones are associated with

153-556: The Kennack to Coverack Site of Special Scientific Interest Black Head (St Austell), Cornwall Black Head, County Antrim , the site of Blackhead Lighthouse Black Head, Dorset Black Head, Wigtownshire , the site of many shipwrecks including a shipwreck in 1857 United States [ edit ] Black Head (South Georgia) , a promontory See also [ edit ] Blackhead (disambiguation) All pages with titles containing Black Head Topics referred to by

170-441: The pilosebaceous unit , which includes a hair follicle and sebaceous gland . These units are mostly on the face, neck, upper chest, shoulders, and back. Excess keratin combined with sebum can plug the opening of the follicle. This small plug is called a microcomedo. Androgens increase sebum (oil) production. If sebum continues to build up behind the plug, it can enlarge and form a visible comedo. A comedo may be open to

187-402: The skin . These filaments are naturally occurring, and are especially prominent on the nose . They are typical among those with naturally oily skin and large pores , even if those individuals have ceased to produce acne . They are not a sign of infection or any other ailment including acne, and are commonly mistaken for, though cannot form, blackheads . Expression, or squeezing,

SECTION 10

#1732869354246

204-484: The air ("blackhead") or closed by skin ("whitehead"). Being open to the air causes oxidation of the melanin pigment, which turns it black. Cutibacterium acnes is the suspected infectious agent in acne. It can proliferate in sebum and cause inflamed pustules (pimples) characteristic of acne. Nodules are inflamed, painful, deep bumps under the skin. Comedones that are 1 mm or larger are called macrocomedones. They are closed comedones and are more frequent on

221-406: The face than neck. Solar comedones (sometimes called senile comedones) are related to many years of exposure to the sun, usually on the cheeks, not to acne-related pathophysiology. Using nonoily cleansers and mild soap may not cause as much irritation to the skin as regular soap. Blackheads can be removed across an area with commercially available pore-cleansing strips (which can still damage

238-419: The formation of comedones, as well. Others remove the dead layers of the skin and may help clear blocked pores. Dermatologists can often extract open comedones with minimal skin trauma, but closed comedones are more difficult. Laser treatment for acne might reduce comedones, but dermabrasion and laser therapy have also been known to cause scarring. Macrocomedones (1 mm or larger) can be removed by

255-456: The same term [REDACTED] This disambiguation page lists articles associated with the title Black Head . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Black_Head&oldid=1160785735 " Categories : Disambiguation pages Place name disambiguation pages Hidden categories: Short description

272-853: The skin by leaving the pores wide open and ripping excess skin) or the more aggressive cyanoacrylate method used by dermatologists. Squeezing blackheads and whiteheads can remove them, but can also damage the skin. Doing so increases the risk of causing or transmitting infection and scarring, as well as potentially pushing any infection deeper into the skin. Comedo extractors are used with careful hygiene in beauty salons and by dermatologists, usually after using steam or warm water. Complementary medicine options for acne in general have not been shown to be effective in trials. These include aloe vera, pyridoxine (vitamin B 6 ), fruit-derived acids, kampo (Japanese herbal medicine), ayurvedic herbal treatments, and acupuncture. Some acne treatments target infection specifically, but some treatments are aimed at

289-618: The skin too much could make it worse, by irritating the skin. Touching and picking at comedones might cause irritation and spread infection. What effect shaving has on the development of comedones or acne is unclear. Some skin products might increase comedones by blocking pores, and greasy hair products (such as pomades ) can worsen acne. Skin products that claim to not clog pores may be labeled noncomedogenic or nonacnegenic. Make-up and skin products that are oil-free and water-based may be less likely to cause acne. Whether dietary factors or sun exposure make comedones better, worse, or neither

#245754