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Laser/light treatments for hair loss are popular but lack scientific data proving effectiveness.

Most low-level light therapy studies did not accurately report how light was measured, affecting treatment reliability.

LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.

Light can turn on hair growth cells through a nerve path starting in the eyes.

Hair loss treatments include medications and new methods like low-level light therapy, which may work by boosting cell activity and blood flow.

Lasers might help hair growth in some alopecia cases, but more research is needed to confirm their effectiveness and safety.

Monochromatic light devices, especially the 308-nm excimer laser, are promising for treating alopecia areata but more research is needed.

Hair follicle shape determines hair type: curly, straight, or in-between.

The ESLD recommends international safety guidelines and standards for home-use light-based hair removal devices.

Home-use cosmetic laser and light devices show modest results for hair removal and acne treatment, but more research is needed for confirmation.

Light microscopy is useful for diagnosing different hair disorders.

Laser and light therapies, especially the 308 nm excimer laser, are effective and safe for treating alopecia areata, but more research is needed.

Home-use light devices can significantly reduce hair but are less effective on very dark skin and slower than professional devices.

The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.

Low-Level Light Therapy significantly reduced inflammation and promoted hair regrowth in patients with Lichen planopilaris.

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

Low-intensity light therapy is effective for skin healing, reducing inflammation, and treating various skin conditions.

Low-level light/laser therapy is effective in treating male and female pattern hair loss without side effects.

LED light therapy is effective for skin and hair treatments but requires careful use to minimize risks.

Light and temperature affect the daily skin function rhythms in hairless rats, with temperature influencing water loss but not skin hydration.

Home-use lasers and IPL devices are unlikely to directly cause paradoxical hair growth; it may be linked to inflammation or hormonal issues.

Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

LED therapy can safely and effectively regrow eyebrows in people with frontal fibrosing alopecia.

Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.

Low-Level Light Therapy is effective for skin rejuvenation, wound healing, and hair growth, with mild side effects.

At-home laser and light devices can safely reduce acne and hair growth when used correctly but are less effective than professional treatments.

LED light therapy at 863 nm wavelength can slow down skin tumor growth and reduce inflammation in mice.

Isolated patchy heterochromia with pili annulati can occur without other health issues.

Light affects skin health, aging, and cancer risk, and new light-based treatments and imaging are promising for skin care.