Summary
Red light therapy (RLT) is gaining attention as a noninvasive option for treating hair loss by stimulating hair follicles with low-level laser or LED light. The treatment aims to boost cellular activity, improve blood flow to the scalp, and extend the hair growth phase, which may help slow shedding and support thicker, denser hair. Experts say it works best for early-stage thinning, especially androgenetic alopecia, rather than long-term or complete baldness. Studies show consistent use over several months—often 2–3 sessions weekly—can lead to gradual improvements in hair density. However, results vary, and RLT is not a standalone cure. Dermatologists recommend combining it with proven treatments, such as topical or oral therapies, for better, more reliable outcomes.
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