How Does the Laser Therapy (LLLT) Hair Loss Treatment Work?

April 16th, 2007

Q: I heard about the laser comb and other lasers for hair loss, how do they work?

A: Low Level Laser Therapy (LLLT) is based on the scientific principle of photobiotherapy. Photobiotherapy occurs when laser light, absorbed by cells, causes stimulation of cell metabolism and improved blood flow.

Although the exact mechanism by which lasers promote hair growth is still unknown, they appear to stimulate the follicles on the scalp by increasing energy production and partially reversing the miniaturization process leading to thicker hair shafts and a fuller look.

Read more about Laser Therapy for Hair Loss

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Posted by Robert M. Bernstein M.D. on April 16th, 2007 at 10:58 am


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