From the Research
Patients typically see results from red light therapy for hair loss within 3 to 6 months of consistent treatment, with noticeable hair regrowth around the 3-4 month mark, as supported by the most recent and highest quality study 1. Initial improvements may include reduced hair shedding after about 1-2 months. For optimal results, treatments should be performed 3-5 times weekly for 10-20 minutes per session using devices with wavelengths between 630-670 nm (red) or 800-880 nm (near-infrared). Some key points to consider when using red light therapy for hair loss include:
- Home devices like laser combs, helmets, or panels are available, with professional-grade treatments offered at clinics.
- Red light therapy works by stimulating cellular energy production in hair follicles, increasing blood circulation to the scalp, reducing inflammation, and extending the growth phase of hair follicles.
- Results vary between individuals based on factors like age, hair loss severity, and underlying causes.
- Consistency is crucial for maintaining results, and combining red light therapy with other treatments like minoxidil or finasteride may enhance outcomes for those with more significant hair loss, as shown in studies 1, 2. The effectiveness of red light therapy for hair loss is supported by multiple studies, including a systematic review and meta-analysis that found low-level laser light therapy to be effective for promoting hair growth in men with androgenetic alopecia 3.