July 31, 2023 Author : Joana Dias Coelho Fractional laser is a medical treatment used for skin smoothing and renewal: Stimulates collagen synthesis; Increases firmness and smoothes the skin. Fractionated means that the laser light is divided into multiple beams of energy that penetrate the skin leaving intact areas around each point. It is from this intact skin that the stimulation and remodeling of collagen and the synthesis of substances that stimulate healing occur. There is a tightening effect , by the action of heat, on the collagen fibers, which is immediately visible after the treatment. The fractional laser has the following applications: • Facial rejuvenation treatment; • Treatment of acne scars; • Treatment of stretch marks. Facial rejuvenation treatment or resurfacing Fractional laser resurfacing is a medical treatment used for facial rejuvenation. Facial skin becomes smoother, more luminous and firmer; There is a clear improvement in the texture and quality of the skin; Fine and medium wrinkles and blemishes are attenuated. It is a quick procedure, performed under topical anesthesia, and the recovery period is 3 to 7 days. Several scientific studies indicate that treatment with fractional laser resurfacing, in addition to helping to prevent and treat aging marks, decreases the damage caused by ultraviolet (UV) radiation by promoting cell renewal. The number of laser resurfacing rejuvenation sessions required to obtain the best results depends on age and skin type. Usually 3 sessions with an interval of 3 months are suggested. Acne scar treatment Acne is an inflammatory disease of the pilosebaceous follicle that can lead to scarring. The treatment of deeper scars is difficult and involves treatments that promote the smoothing of the skin surface and the stimulation and remodeling of collagen so that the bottom of the scar contracts. Fractional laser is the most effective and safe medical treatment for acne scarring. It often takes several treatment sessions, as the effectiveness of fractional laser on acne scars depends a lot on their type, size and depth. It is a quick procedure, performed under topical anesthesia, and the recovery time is 3 to 7 days. Treatment of stretch marks Skin stretch marks are due to stretching and tearing of connective tissue fibers. Excess skin stretching is thought to lead to the release of substances that damage collagen and elastic fibers. Stretch marks usually appear: In adolescents, during periods of rapid growth in height; In adolescent girls in the breast area; In pregnant women, with an increase in the abdominal perimeter and weight. Fractional laser treatment stimulates and contracts collagen in the dermis and smooths the surface of the stretch mark, reducing its size and improving its appearance. In general, 3-4 treatment sessions are required. Recovery time is 7 to 10 days. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.
