The facial rejuvenation laser (1540 Fraxel XF laser)
Used to treat:
Superficial wrinkles, acne scarring, pigment changes (ie melasma), pore size reduction/smoothening, and skin tightening/firming.

The resurfacing laser (1540 Fraxel XD laser):
Used to treat:
Stretch marks (only FDA approved treatment for stretch marks), deep acne scars, surgical scars, and deep wrinkles.

The Skin revitalizing laser
Used to treat:
Sun spots, age spots, any dark marks (hyper-pigmentation), melasma, red marks, red spots, pink/red acne scars, rosacea, superficial and deep blood vessels, and angiomas (red bumps).