Efficacy and safety of a low-level laser device in the treatment of male and female pattern hair loss: a multicenter, randomized, sham device-controlled, double-blind study.

Overall, primary efficacy analysis showed the difference in terminal hair density change at 26 weeks from baseline between lasercomb and sham treatment was highly significant ( p < 0.0001) in both female trials (Fig. 2 a, b).

also in 132,142 other papers

The study was not sham device-controlled and the results did not reach statistical significance.

also in 111,027 other papers