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Laser Technology at Drexel Dermatology

Drexel Dermatology offers the latest in laser technology to treat a variety of skin conditions. Lasers are devices that use carefully selected wavelengths of focused beams of light to treat a variety of skin conditions. Drexel Dermatology's trained staff has expertise with a wide range of lasers and specializes in their effective and safe use.

Lasers Available at Drexel Dermatology

Pulsed Dye Laser

Pulsed Dye Laser

Pulsed dye lasers are designed to treat vascular lesions, port wine stains (red birthmarks), hemangiomas, angiomas, rosacea, telangiectasias (facial blood vessels), leg veins, venous lakes, scars, and stretch marks. Certain types of lesions respond better than others.

A pulsed dye laser generates a high energy laser light in extremely short pulses that very precisely and rapidly target blood vessels. These blood vessels are closed off or destroyed and subsequently redness gradually fades. Treatment may need to be repeated multiple times as each treatment may only achieve partial improvement. Because the wavelength of light is specific for blood vessels, the surrounding tissues are usually not affected.

Long-pulsed Nd:YAG Laser

Long-pulsed Nd:YAG Laser

The long-pulsed Nd:YAG laser is an ideal laser for hair removal in darker-skinned patients. This light penetrates into the skin and is absorbed by hairs that are brown or black. When absorbed, the light energy is converted into heat and the hair and the cells from where the hair is growing (hair follicle) are heated. The heat causes damage to the hair follicle.

Almost all of the treated hair falls out within one to two weeks with traditional laser hair removal. After six weeks to six months there is gradual regrowth of some of the hair. There is usually less of it than before and often the hair is thinner and somewhat lighter in color.

Alexandrite Laser

The Alexandrite laser is primarily used for laser hair removal in fair-skinned patients. The Alexandrite laser specifically targets hair follicles.

Q-switched Nd:YAG Laser

The Q-switched Nd:YAG laser generates very bright and extremely short pulses of light that precisely and rapidly heat and break up tattoo ink particles or abnormal concentrations of melanin. This laser is used to remove pigment in the skin from the following sources:

  • tattoos
  • brown or pigmented lesions
  • age, sun, or liver spots
  • freckles
  • café-au-lait spots

Not all sources of pigmentation respond to laser removal treatment and often, several treatments are needed. After examination, your Drexel dermatologist can recommend the areas that will be most effectively faded or removed. The laser should not be used for the removal of lesions that are cancerous or suspected of being cancerous. If there is any doubt, your Drexel dermatologist will discuss the appropriate treatment methods with you.

Fraxel Rejuvenation Laser

Fraxel Rejuvenation Laser

The Fraxel laser creates very focused beams of light that create small rows of thermal injury at different depths within the skin. This technology treats a small fraction of the skin at a time, which decreases recovery time and the risk of side effects such as scarring and infection.

The laser works by eliminating old pigmented skin cells in the top layers of skin and stimulating new collagen growth. The laser uses the body's natural healing process to create new, healthy skin tissue to replace imperfections.

The benefits of the Fraxel laser include:

  • wrinkle reduction around the eyes
  • rejuvenation of skin
  • removing melasma, dark spots, age spots due to sun damage
  • removing acne scarring
  • improving skin texture and tone
  • decreased pore size
  • skin that appears younger

The information on these pages is provided for general information only and should not be used for diagnosis or treatment, or as a substitute for consultation with a physician or health care professional. If you have specific questions or concerns about your health, you should consult your health care professional.

The images being used are for illustrative purposes only; any person depicted is a model.

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