When is Q switch laser the best treatment for acne scars, and can it be combined with other treatments?

Doctor's Answer

Compared to other lasers, most Q-switched lasers have limited effectiveness for treatment of acne scars.

Better treatment options include ablative and non-ablative skin resurfacing lasers. These lasers improve the appearance of acne scars by replacing scarred skin tissue with new skin over a series of laser treatments. They also induce collagen to contract acne scars to make it look smaller.

Ablative lasers include Fractional CO2 and Fractional Erbium lasers. These lasers are effective but have slightly longer downtime of about five days, as compared to non-ablative lasers.

Non-ablative lasers like Fraxel Dual and Fraxel Restore have the benefit of reduced downtime but may take slightly longer to see good results. There are pros and cons to whichever laser you choose.

Recently, PicoSure, a picosecond Laser was approved by the US FDA for treatment of acne scarring and tightening skin. It works by delivering an ultra-short pulse of energy to the skin in picoseconds (trillionth of a second) to create LIOB or laser-induced optical breakdown though photomechanical disruption. There are benefits in using this laser for darker skin types or for people who want minimal downtime.

Laser treatments can be combined with other treatments like subcision, Rejuran® healer, and Skinbooster injections. As acne scars vary from person to person, it would be best to see your doctor for a consultation to determine the best treatment or combination of treatments for you. Hope the above helps!

Cheers,

Dr. Terence Tan

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