Low level laser light, when applied to the scalp, is one of the newest therapies to treat hair loss. Laser therapies for hair restoration are available through hand-held laser devices and may be used at home, or in a medical setting under a physician’s supervision.
What are the facts about laser therapy for hair loss? Let’s take a look through evidence-based facts and unsubstantiated claims to learn about this treatment option.
Definitions: Understanding the Terminology
Lasers are widely used in medicine, in industry, in the military, and of course, as weapons in science-fiction. The laser’s energy used to stimulate hair growth is visible in the red light spectrum. Their use in treating hair loss and other medical conditions is defined as low-level laser therapy (LLLT). LLLT is sometimes included under a broader definition of phototherapy called “low-level light therapy” where the light-emitting device may be a laser…
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