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General Practice 2023

Contraindicações of Intense Pulsed Light

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Contraindicações of Intense Pulsed Light
Contraindicações of Intense Pulsed Light

Pulsed light is an aesthetic treatment indicated for the removal of dark spots on the skin, and hair, being also effective to fight wrinkles and maintain a more beautiful and youthful appearance. Discover the main indications for Intense Pulsed Light by clicking here.

However, this treatment has some contraindications that must be respected to ensure the he alth of the skin, the beauty of the person and the effectiveness of the treatment. They are:

During the summer

Treatment with intense pulsed light should not be performed during the summer because at this time of year, the heat is higher and there is a higher incidence of ultraviolet rays emitted by the sun, which can make the skin more sensitive and more tan, which may be a risk of burns.Thus, the best period of the year to carry out the treatment is in autumn and winter, but even so it is necessary to use sunscreen with SPF 30 daily and avoid direct exposure to the sun.

Tan, mulatto or black skin

Dark skin should not undergo treatment with pulsed light because there may be a risk of skin burns because melanin is present in greater amounts in these people's skin. However, there are some types of laser that can be used in people with dark, mulatto and black skin for permanent hair removal, such as the Nd-YAG laser.

Use of medication

People who are using photosensitizing drugs, corticosteroids and anticoagulants should also not be treated with pulsed light. In this case, treatment can only be performed after 3 use of cessation of use of these drugs. Some drugs that may interfere with treatment are: Amitriptyline, Ampicillin, Benzocaine, Cimetidine, Chloroquine, Dacarbazine, Diazepam, Doxycycline, Erythromycin, Furosemide, Haloperidol, Ibuprofen, Methyldopa, Prednisone, Propranolol, Sulfametizole, Sulfapyridine, Trimipramine.

Photosensitizing diseases

Some diseases favor the appearance of spots on the skin, such as diseases such as actinic prurigo, eczema, lupus erythematosus, psoriasis, lichen planus, pityriasis rubra pilaris, herpes (when the sores are active), porphyria, pellagra, vitiligo, albinism and phenylketonuria.

During pregnancy

Pregnancy is a relative contraindication because although pulsed light cannot be performed on the breasts and belly region during pregnancy, the treatment can be performed on other areas of the body. However, due to the hormonal changes typical of pregnancy, the skin can be stained and it is common for it to be more sensitive and feel more pain during sessions. Also, if there is a crusting or burning on the skin, the treatment can be compromised because not all ointments can be used during pregnancy, because it is not known if they are safe for the baby or if they pass through breast milk.Thus, it is more advisable to wait for the baby to be born before starting or finishing the treatment with pulsed light.

Skin wounds

The skin needs to be intact and properly hydrated so that the device can be used and have a good effect, so the treatment should only be carried out when there are no wounds on the skin. If this care is not observed, there is a risk of burns.


Due to the lack of studies on the safety of performing this type of treatment in people who have active tumors, its use is not recommended during this period. However, there is no scientific evidence that treatment with laser or intense pulsed light can cause changes such as cancer, because there are no changes in the amount of CD4 and CD8 even after months of application of the equipment.

If the individual does not have any contraindication, he can undergo treatment with pulsed light every 4-6 weeks.After each session it is normal to feel the skin a little irritated and swollen in the first days and to reduce this discomfort it is essential to use moisturizing creams, cold compresses and sunscreen SPF 30 or higher daily.

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