This comb stimulates hair follicle growth at the root with penetrating therapeutic light to increase blood flow to the scalp.

Features coherent Red Light projected via a line generator in a divergent, monochromatic beam.
No need to worry about missing a spot - Projects a continuous beam over the intended area of treatment.
For best results, use ten to fifteen minutes every other day. Results may be observed in as little as two weeks.
Most customers report seeing results in two to four months of daily consistent use.
Runs on 4 AAA Batteries. (not included)