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Encyclopedia > Intense pulsed light
A human arm, four hours after IPL treatment. The raised bumps and red colouration around each hair follicle are typical of this treatment. This normally subsides after three or four days.
A human arm, four hours after IPL treatment. The raised bumps and red colouration around each hair follicle are typical of this treatment. This normally subsides after three or four days.

Intense Pulsed Light (IPL), as most commonly employed by non-specialist medical practitioners and beauticians, is a method of hair removal from the body involving the use of a specially constructed xenon flash lamp and focusing optics. Image File history File linksMetadata Arm_IPL.jpg A human arm, 4 hours after IPL depilation Taken by user:Ali-oops, August 2005 Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1. ... Image File history File linksMetadata Arm_IPL.jpg A human arm, 4 hours after IPL depilation Taken by user:Ali-oops, August 2005 Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1. ... Depilation is a generic term for hair removal which affects the part of the hair above the surface of the skin. ... Xenon flash lamp being fired. ...


IPL technology is also employed in the treatment of medical disorders of the skin including sun damage induced dyspigmentation and vascular changes; poikiloderma of civatte; acne Rosacea; broken capillaries/telangiectases; vascular and pigmented birth marks. Such treatment is best administered by a specialist dermatologist. This new technology incorporates 'dual mode filtering' and other important advances which result in safer and more effective treatment than the older systems; which were initially designed for simple processes such as hair removal. Rosacea (IPA: ) is a common but often misunderstood condition that is estimated to affect over 45 million people worldwide. ...


Hair removal mechanics: The focused, broad-spectrum light is applied to the surface of the skin by way of either a hand-held wand, or by an articulated arm. The intense light travels through the tissue of the skin until it strikes the hair shafts or the bulb (root) of the hair. The bulb is usually where the highest concentration of melanin is located, as opposed to the rest of the hair shaft. The noun spectrum (plural: spectra) has a variety of meanings. ... This article does not cite any references or sources. ... Beyond overall skin structure, refer below to: See-also. ... For the film, see Hair (film). ... Broadly, melanin is any of the polyacetylene, polyaniline, and polypyrrole blacks and browns or their mixed copolymers. ...


When the light strikes the dark-colored melanin, the light is converted to heat energy. The bulb and most of the hair shaft is instantly vaporized. The intense heat radiated by the hair also destroys the hair-producing papilla or the entire hair follicle. It is also claimed that direct light-heat conversion occurs directly in the darker colored capilaries that bring nourishing blood to the follicle. Broadly, melanin is any of the polyacetylene, polyaniline, and polypyrrole blacks and browns or their mixed copolymers. ... A papilla (plural: papillae) can be: A small projection, such as a nipplelike projection on the skin, at the base of a hair or the root of a feather; the base of a new tooth. ... A hair follicle is part of the skin that grows hair by packing old cells together. ...


The pulses of light produced by IPL equipment are very short in duration, so discomfort and damage to non-target tissues is minor. Most people who undergo IPL epilation only experience slight irritation similar to that of a minor sunburn though under certain circumstances, blisters may occur. Men undergoing the procedure experience greater discomfort as male body hair is generally thicker than women's. Depending on the instrument settings and intensity, treating sensitive areas such as the chest and face can result in pain comparable to waxing the same areas; however this pain dissipates immediately. The light that emanates from the IPL wand is filtered to remove any ultraviolet components, eliminating the possibility of UV skin damage.


The IPL hair removal process has become very popular due to the relatively low cost and rapidity of the procedure. IPL compares very favourably to laser hair removal, which is often more costly and time consuming. The comparison of effectiveness between IPL and laser epilation is debated by scientists, equipment manufacturers and practitioners but is generally accepted to be equivalent. IPL is generally advertised as "permanent hair reduction" as opposed to "permanent hair removal" (this is a misnomer when applied to laser or IPL hair removal). This article does not cite any references or sources. ...


See also

Hair removal describes any method of removing hair, especially from the human body. ... Electrology is either of two electrical epilation methods for the permanent removal of human hair. ... This article does not cite any references or sources. ...

External links

  • Hairfacts - IPL and Flashlamp
  • FDA page on IPL and Laser epilation

  Results from FactBites:
 
Intense Pulsed Light Therapy (IPL) (1184 words)
IPL therapy, also called photorejuvenation, uses intense pulses of broadband light to smooth and tighten the facial skin and remove age spots, freckles, and visible blood vessels.
Unlike the narrow band light of lasers, the light used in IPL is delivered to the deeper parts of the skin (the dermis) and does not damage the surface (the epidermis) of the skin.
Because the intense light is delivered to the deeper parts of the skin (dermis) and leaves the superficial layer of the skin (epidermis) untouched, IPL therapy does not damage the surface of the skin.
Skin Care Research: Intense Pulsed Light (561 words)
Intense pulsed light therapy for superficial pigmented lesions evaluated by reflectance-mode confocal microscopy and optical coherence tomography.
Intense pulsed light source for the treatment of dye laser resistant port-wine stains.
Intense pulsed light technology and its improvement on skin aging from the patients' perspective using photorejuvenation parameters.
  More results at FactBites »


 

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