For both LED and laser diode options, the therapeutic wavelength is crucial. Dr. Shah recommends wavelengths between 630 and 680 nanometers to successfully penetrate the scalp and stimulate hair ...

According to Dr. Ellis, "Red light therapy, also known as low-level laser therapy (LLLT ... it's conveniently hands-free). The brand promises results within 10 weeks of use.

Dermatologists are introducing two new laser treatments that may help reduce skin discolorations caused by sun damage or ...