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  • Presentation

CO2 Laser Resurfacing for Rejuvenation, Acne Scars, Surgical Scars, and Skin of Color

Description

The speaker, Dr. Gabriella Maloney, presents CO2 laser resurfacing as a versatile favorite for facial rejuvenation, acne scars, surgical scars, skin tightening, and select pigment issues, including in patients with skin of color when settings are adjusted conservatively. She explains key laser principles such as wavelength, energy, power, fluence, density, and fractional treatment, emphasizing that higher energy and density increase depth and tightening but also raise downtime and complication risk. For wrinkles and laxity, she recommends treating the forehead first, then moving to cheeks, jawline, eyelids, and neck with carefully planned passes to avoid overcorrection and to maximize lifting, often producing noticeable improvement after one session. For acne scars and surgical scars, she uses a starburst or linear blending approach: higher energy in the center of scars, then progressively lighter passes outward to reduce visibility without widening the scar or causing excessive thermal damage. She stresses caution with darker skin tones, recommending lower energy, lower density, fewer passes, and post-treatment regimens such as hydroquinone, tretinoin, and hydrocortisone to reduce post-inflammatory pigment changes. Practical protocol advice includes topical numbing, nerve blocks, antibiotics and antivirals when appropriate, vinegar soaks, non-occlusive ointments, growth factors, sunscreen, and delayed use of makeup and adjunctive procedures like fillers, tox, or IPL. She also reviews safety concerns and patient selection: avoid overly aggressive settings, active infections, smoking, poor candidates, and improper eye protection; manage expectations about redness, swelling, and downtime; and recognize that CO2 can create dramatic improvement but usually requires patience and sometimes multiple treatments.

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Conclusions

  • Fractionated ablative CO2 laser resurfacing can meaningfully improve wrinkles, skin texture, and mild-to-moderate facial laxity, sometimes producing a visible lifting effect with a single treatment.
  • The best cosmetic results come from tailoring energy, density, and pass pattern to the target problem, with deeper, lower-density treatment favored for scars and more surface-focused settings favored for rhytids and tightening.
  • Acne and surgical scars usually improve rather than disappear, and the most effective scar strategy is to treat the deepest portion aggressively while feathering outward to blend surrounding skin.
  • CO2 laser can be used successfully in higher Fitzpatrick skin types, but lower settings, fewer overlaps, and careful post-treatment pigment management are essential to reduce PIH and prolonged erythema.
  • Post-procedure care appears to be a major determinant of outcome, with topical steroids, antifungals when needed, moisturization, sun protection, and growth-factor or retinoid-based regimens helping healing and reducing complications.
  • Patient selection is critical, because smoking, poor wound healing, active acne/pustules, recent procedures, unrealistic expectations, and inability to comply with downtime or aftercare increase the risk of poor outcomes.
  • The treatment can serve as a bridge between medical and cosmetic dermatology, helping with conditions such as rhinophyma, melasma, and traumatic or surgical scars while also improving overall facial rejuvenation.
  • Complications like prolonged redness, imprinting, pigment change, and scarring are usually related to overly aggressive technique or poor aftercare, and they are best prevented by conservative settings, consistent hand motion, and adequate follow-up.
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