Studies on TheraBrush™

A clinical study confirms that red light therapy significantly improves hair density and thickness.

A medical trial evaluating 675-nm laser light — the same wavelength used in TheraBrush™ — showed that just 14 sessions led to a 17% increase in total hair count, 13.9% thicker hair strands, and 69.9% more follicular units with four or more hairs, with visible results in the hairline and crown and no side effects reported

🧬 This wavelength boosts the hair growth cycle (anagen phase), reactivates dormant follicles and stimulates collagen and oxygen flow to the scalp

📄 Read full study – JMIR Dermatology, 2024

Laser devices using this technology are FDA-reviewed and proven to work at home.

A meta-analysis of 7 FDA-cleared clinical studies on home-use laser therapy devices revealed a statistically significant boost in hair density compared to placebo, effectiveness in both men and women, and best performance from devices with laser diodes — just like TheraBrush™

📄 Download full meta-analysis study