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Skin resurfacing procedures aim at helping the quality of the skin – this refers to wrinkles, fine lines, pigmentation, brown spots, and acne scarring. All methods aimed at improving these problems fall into one of three major categories – lasers, chemical peels, or dermabrasion. Each can achieve similar results. Also, within each technique, there is a range of possible procedures from light superficial procedures that will have minimal recovery but shorter lasting results to longer lasting procedures that require more recovery time. The overall improvement really depends upon how deep into the different levels of the skin the specific procedures extends. There is of course a limit to how deep any procedure can go to avoid unwanted scarring.
Dr. Liu is often asked about lasers regarding almost every procedure that he performs. Lasers are probably the most common method of facial skin resurfacing today. What most people do not understand are the following:
Laser procedures are j
Aerolase Nd:YAG Laser. This laser does not require any pre-medication or anesthesia. Occasionally only ice is needed before the procedure. Many applications require several treatments for best results.
Hair removal and PFB (ingrown hair) removal. This particular laser is safe for all skin types (light and dark). 4-6 sessions are needed at 3-4 week intervals to achieve over 75% hair reduction. Each treatment should result in 15% or greater clearance of hair in the treated area. As with any hair removal laser, permanent hair removal is not possible, only permanent hair reduction. Every hair follicle has certain stages of growth. In any one particular area, the hairs are in different stages. The laser only works during one of the specific phases of growth. This is why several sessions are needed.
Vascular lesions – angiomas, telangiectasias (fine vessels particularly on the face and legs). 1-3 or more sessions are required at 1-2 week intervals. Mild redness in the treatment area may ensue for a few days. The lesions may take 1-2 weeks to disappear or fade.
Pigmented lesions (sun spots, age spots). May require more than one session. The lesions may shed at 1-3 weeks.
Photo rejuvenation (skin tightening). Requires 5-6 sessions at 4-6 week intervals.
Aerolase Erbium:YAG Laser. This is a deeper penetrating laser for skin resurfacing and is an ablative laser along with the CO2 (carbon dioxide laser). Recovery is longer than with the Nd:YAG laser.. However, results are dramatic and long lasting. Next to the CO2 (carbon dioxide laser which can leave patients red for many months), the Erbium laser has the deepest penetration.
Wrinkle reduction is the most common. Requires topical/local anesthesia, sometimes intraveno
Ablation/Removal of many benign, pre-malignant and malignant skin lesions.
In general there are certain precautions everyone should take proper to any laser procedure:
1. Avoid tanning for several weeks prior to any laser procedure since most lasers target pigmentation in the skin.
2. Accutane should be discontinued months before treatment
3. Patients with a history of recurrent herpes lip sores should be pre-medicated with an antiviral oral medication
4. Any makeup or facial lotions/creams should be removed prior to any procedure.
5. Report any history or poor scar formation beforehand.
Dr. Liu is featured in an article on facial laser procedures. Click on the image below to read the article in pdf format. Click on the image to the right if you need to download Adobe.
The Obagi Blue Peel® is an example of a light-medium depth chemical peel. The Blue Peel® is a TCA (trichloroacetic acid) chemical peel that is performed in the office and typically should only be performed after the skin has been placed on a pre-peel skin regimen for maximum effect. Healing typically takes 10-14 days. Within the first day or two, the skin will turn red and begin to exfoliate. For maximal results, sometimes more than one peel is necessary. A chemical peel may often be combined with other surgical procedures.