There are different devices used for various conditions or things dependent on what is being treated: vascular lesions, spider veins, tattoos, redness, etc.

Learn more about Vascular Lesion Treatment in Dallas, TX:
http://www.kassirdermatology.com/lase...

Lasers:
Pulsed Dye Laser (PDL)
KTP
1064nm
Q-Switch
Light Therapy Device:
Intense Pulsed Light (IPL or photo facial)