Despite so much of efforts acne scars turned out to be extremely difficult to treat. In the past dermatologists have used several methods such as excision, punch grafts, and chemical peels as treatments. But we all know that the results of these therapies have not turned out to be fruitful and theses therapies have always given room to additional scarring to occur. Over the past several years, dermatologists have been working with acne laser treatment which the results now show is turning to be extremely beneficial and giving excellent results.

A variety of ways have been used to do acne laser treatment but the two major methods that have been proposed are:

Direct absorption of visible light energy by porphyrins. In this acne laser treatment light energy is absorbed by bacterium triggering production of toxic singlet oxygen which damages or destroys the bacteria. Almost any visible light source can be used, including narrow-band light sources such as the ClearLight and Blu-U, assorted IPL devices (broadband light) copper vapor lasers, pulse dye lasers and various orange/red light lasers or light sources. One very important factor is that these lights have absorption peak of porphyrins so the laser waves have the advantage of penetrating deeper in to the skin, but do not activate porphyrin as well.

Many researches have proven that to get good results of acne laser treatment combining the use of the pulsed dye technology with carbon dioxide laser vaporization can turn out to be an efficient way in treating scars. Atrophic acne scars where there is a breakdown of the skin have been found to respond most favorably to carbon dioxide laser resurfacing. The number of treatments necessary depends on the type of lesion and each individual's collagen and wound healing response. Usually two or more treatments are needed for cystic acne scars. But one think that one needs to be clear about in this acne laser treatment is that the pulsed dye laser procedure is typically performed without general anesthesia. Local anesthesia is usually administered with a topical anesthetic cream, intralesional injections or nerve blocks. The immediate result may produce a purplish coloring. The treated scars are then evaluated 6-8 weeks later, where another treatment, at the same or slightly higher strength may be necessary.

The main reason for the increasing demand of acne laser treatment is its safety factor because acne laser treatment eliminates the risks of prolonged antibiotic use and retinoid therapy can be avoided, as well as the expense and inconvenience of prolonged topical treatments, acne medications, creams, gels, etc. Whether or not acne laser treatments should be used as first-line treatment for acne, or even for prevention of acne, remains unclear at this time.