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Laser and pulsed light treatments

Pulsed light and laser: what they treat, how they work and how the most suitable technology is chosen.

The practice uses intense pulsed light (IPL) and several lasers. Each technology has its own indications: the choice is made during the visit, based on the problem to be treated and the skin type.

Intense pulsed light (IPL)

Pulsed light grew out of laser technology. A microcomputer controls the emission of light with preset parameters, which penetrates to a depth of 3-4 mm. Besides hair removal, it is used for acne, couperose and photorejuvenation.

Hair removal with pulsed light

The melanin in the hair absorbs the light energy, and the resulting heat damages the bulb. The effect is selective: it involves only pigmented tissue and the surrounding skin is left unharmed. Any moles are protected with a white dermographic pencil, a plaster or a mechanical shield.

The handpiece, much larger than that of the laser, makes it possible to treat large areas quickly. All areas of the body can be treated, in women and men, and results are faster the greater the contrast between light skin and dark hair. During the session you feel at most a sensation like a light snap of a rubber band. Suitable equipment and specific professional training are required.

ND YAG laser

It is a high-penetration vascular laser, used for capillaries and telangiectasia, especially on the lower limbs. The energy closes the capillary without damaging the skin, and it can also be used for laser hair removal. Find out about the ND YAG laser.

CO₂ laser

The surgical CO₂ laser is used in outpatient procedures on small skin lesions, including in delicate areas such as the face. Find out about outpatient surgery.

Pulsed light on a leg, hair removal treatment

Frequently asked questions

Intense pulsed light (IPL) emits light at several wavelengths and acts on pigmented targets, such as the melanin in hair. The laser emits light at a single wavelength and is chosen for specific targets: the ND YAG laser, for example, acts on small blood vessels. Which technology to use is decided by the doctor during the visit, based on the problem and the skin type.

No. Besides hair removal, pulsed light is used for acne, couperose and photorejuvenation.

Treated hairs gradually become fewer and finer over a few sessions, with a lasting result. The number of sessions depends on the area, the colour of the hair and the skin: it is indicated after the visit.

The method is very well tolerated: you feel only a sensation like a light snap of a rubber band on the skin. All areas of the body can be treated.

Results are faster the greater the contrast between light skin and dark hair, because the melanin in the hair absorbs the light energy.

Any moles are protected with a white dermographic pencil, a plaster or a mechanical shield.

The information on this page is for general guidance and does not replace a medical visit: for a personal assessment, book an appointment.

Content by Dr. Donatella Mattana, physician and specialist in Dermatology and Venereology. Last reviewed: .

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