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NON-ABLATIVE LASERS
Most commonly referred to as diode, intense pulsed light (IPL)
or pulsed dye, non-ablative lasers pass varying colors and strengths
of light through the skin without injury to the skin surface. The
light source is concentrated to target its power deep down into the
dermis to treat acne, veins and discolorations. Non-ablative lasers
have also shed some light on rejuventation by improving skin tone and
texture, and are also used in permanent hair removal. To be fully
effective, non-ablative laser use may require special prepping of the
skin—such as microdermabrasion or special topical enhancements called
photodynamic therapy (PDT). PDT, which is especially effective for acne,
entails the application of a light-reactive agent called Levulan to the
skin for 30 minutes or longer prior to laser treatment.
Pros:
There's minimal to no downtime and very little discomfort.
Cons:
It may take multiple treatments and results can be inconsistent.
Not all non-ablative lasers are safe for all complexions.