What’s a cosmetic laser – and how do they work?
‘Laser’ is an acronym meaning ‘Light Amplification by Stimulated Emission of Radiation’. This means that a laser is a single source of light with a high energy that can be focused accurately on a small area. Lasers are used in all kinds of technology and in recent decades have merged into the cosmetic surgery industry.
How are lasers used in Cosmetic Surgery?
There are two types of lasers used in cosmetic surgery: ablative and nonablative. Ablative lasers work on the top layers of the skin whereas nonablative lasers penetrate into the deeper layers of the skin, without damaging the top layers at all. Because of this, there is very little ‘patient downtime’ after a surgery that uses nonablative lasers, meaning that a patient can return to normal activities almost immediately. (more…)