Fraxel laser treatments
Scars and discoloration can be improved with a series of Fraxel laser treatments or other fractionated laser. You will need at least about 5 treatments with a Fraxel laser to build collagen and see an improvement. Some darker skin types are not appropriate for lasers and may develop darker pigmentation as a result of a laser treatments. Hydroquinone cream will gradually lighten brown hyperpigmentation surrounding the scar to a degree. Prescription strength, which is 4% or higher, is recommended to see good results and may take 2-3 months if using it twice a day. Retinoid creams, such as tretinoin, can be used in conjunction with Hydroquinone to help exfoliate the brown pigmentation faster. Other options to improve brown discoloration are a series of IPL treatments and chemical peels.
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Dark Spots on Legs
Honestly, very few lasers work well for this. Salicylic acid peels, sun protection and avoidance, and a combination of bleaching creams will work to lighten. None, will remove the color permanently however. I wish you the best of luck, Dr. Emer.