An exciting new approach to treating hair loss, low-level laser therapy (LLLT) makes use of LED lights or low-intensity lasers to encourage the creation of new hair by stimulating the hair follicles. Headpieces, combs, and brushes that use low-level light therapy (LLLT) emit red or near-infrared light, which the scalp's cells absorb, boosting blood flow and cellular activity. Researchers have shown that LLLT can help men and women with androgenetic alopecia grow thicker, denser hair. Laser light therapy (LLLT) seems to be a safe and effective non-invasive alternative for treating hair loss, however research into the ideal wavelength and dosage is ongoing.