Laser hair removal has been around for over 20 years. It is a popular method of hair removal in which a beam of light is shined on the targeted area and removes the hair from the follicle. Laser hair removal service can effectively remove all types of hairs, but it can be less effective for dark hairs because they are more challenging to target and fire. You must know how long laser hair removal takes before deciding whether or not to get it done. It usually takes about 2-3 weeks to see results, but some people may need up to 6-8 weeks before seeing any change in their skin color.