Light therapy device cap sized at home useLow level light therapy (LLLT) enhances hair growth by using red light to energize hair follicle stem cells, increasing blood flow and nutrient delivery to the scalp. This energy boost stimulates the follicles, prolonging the active growth phase of the hair cycle and helping to slow or reverse hair thinning. Cellular mechanisms Energizes stem cells: Red light is absorbed by stem cells in the dermal papilla, which are crucial for hair growth. Increases