A continuous laser produces a constant wave. A pulsed laser's wave is intermittent.

A pulsed laser is used in many different situations from hair removal to surgery. The frequency and wavelength of the pulse determines the suitability of the laser for each type of use.

Robert Eason has written:

'Pulsed laser deposition of thin films' -- subject(s): Pulsed laser deposition, Thin films, Laser beams, Industrial applications

Pulsed-dye laser has been said to help diffuse facial redness for those who are suffering from Rosacea. Other treatments for redness include topical treatments such as Metro-Gel and Mirvaso.

There are actually multiple laser types used to remove hair. They are, pulsed light laser, diode laser, ND: Yag laer, alexandrite laser, and ruby laser. Here's a site that has information on each type: http://www.laserhairremovalreview.com/