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TECHNOLOGY COMPARISON

Erbium YAG Laser (2940nm) vs CO2 Laser (10600nm)

Compare ablative resurfacing lasers. Erbium offers highly efficient water absorption for superficial peeling, while CO2 delivers deep thermal coagulation.

Erbium YAG Laser (2940nm)

Pros

  • ✓Highest absorption coefficient for water (tissue)
  • ✓Extremely precise ablation with minimal collateral heat
  • ✓Faster healing and less redness (erythema)

Cons

  • ×Less thermal coagulation means less profound tissue shrinking/tightening
  • ×Less effective for severe, deep rhytids

CO2 Laser (10600nm)

Pros

  • ✓Leaves a zone of thermal coagulation that triggers massive collagen shrinking
  • ✓Gold standard for deep wrinkles and severe sun damage

Cons

  • ×Longest downtime of any aesthetic laser
  • ×Highest risk of prolonged redness or scarring

Clinical Verdict

Erbium is superior for superficial resurfacing with minimal downtime, while CO2 dominates for deep, architectural wrinkle removal.

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