Laser hair removal
Laser Hair Removal
Laser hair removal is a medical procedure that uses a concentrated beam of light (laser) to remove unwanted hair.
Pronunciation
Laser hair removal: /ˈleɪzər hɛər rɪˈmuːvəl/
Etymology
The term "laser" is an acronym for "Light Amplification by Stimulated Emission of Radiation". The term "hair removal" comes from the English words "hair" meaning the fine threadlike strands growing from the skin of humans, and "removal" meaning the action of taking away or abolishing something unwanted.
Procedure
During laser hair removal, a laser emits a light that is absorbed by the pigment (melanin) in the hair. The light energy is converted to heat, which damages the tube-shaped sacs within the skin (hair follicles) that produce hairs. This damage inhibits or delays future hair growth.
Related Terms
- Laser: A device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation.
- Hair follicle: A mammalian skin organ that produces hair.
- Melanin: A broad term for a group of natural pigments found in most organisms.
Risks and Considerations
Although laser hair removal effectively slows hair growth, it doesn't guarantee permanent hair removal. It typically takes multiple laser hair removal treatments to provide an extended hair-free period. Periodic maintenance treatments might be needed as well.
See Also
- Electrolysis (cosmetic): A method of removing individual hairs from the face or body.
- Intense Pulsed Light: A technology used in various skin treatments, including hair removal and photofacials.
External links
- Medical encyclopedia article on Laser hair removal
- Wikipedia's article - Laser hair removal
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