By stimulating the hair follicles, red light therapy encourages them to enter the growth phase of the hair cycle. This leads to an increase in the number of hairs that are actively growing on your scalp, resulting in a higher hair count.
Additionally, red light therapy supports improved blood circulation in the scalp. Better circulation means that more nutrients and oxygen reach the hair follicles, providing them with the necessary nourishment for healthy hair growth. Improved blood flow also helps remove waste products and toxins from the follicles, creating a healthier environment for hair growth.
A 2019 meta-analysis examined 8 clinical studies and found a significant increase in hair density for individuals treated with red light therapy compared to sham or placebo treatments.
In a 2018 study, researchers conducted a randomized, double-blind trial using red light therapy on individuals with male pattern baldness. At the end of the trial, the side of the head that received red light treatment had significantly greater hair coverage, thickness, and regrowth compared to the side that received a sham treatment.
These are just a few examples, but there are more studies and clinical trials available that demonstrate the positive effects of red light therapy on increasing hair count.
Scientific studies supporting claims: