Differences in Laser, IPL, HPL machines

LASER is acronym or short form of “Light Amplification by Stimulated Emission of Radiation”. When a hair removal machine like Tria use laser beams to destroy the hair shaft than the machine is called laser hair removing machine. 
IPL mean Intense pulse light IPL is used to treat sun damages and less effective than laser but i'll have low side effects so this is a popular home hair removal device ,
 IPL and Laser is not same but IPL also gives you a permanent hair removal solution in low costs . 
The Remington I-LIGHT Pro Intense Pulsed Light (IPL) Hair Removal System is a light-based device and very similar to laser technology. 
Home Pulsed Light Technology (HPL) is a patented technology by Silk’n SN HPL make it safer as a home laser hair removal device. HPL is a similar technique of IPL and laser.