Zoe Passam, senior consultant trichologist at Philip Kingsley, states that low-level light therapy (LLLT) stimulates cells to increase the number of actively growing hair follicles, primarily for addressing male- and female-pattern hair thinning. Although effective, it may not work for those with longstanding hair loss, requiring a commitment of at least three months to observe initial results, with a year needed for significant changes. Passam advises that LLLT is preferable for those avoiding medications and can be combined with other treatments.
According to Zoe Passam, LLLT is typically used alongside other topical or oral treatments, optimizing hair restoration depending on individual types of hair loss. While LLLT is usually well tolerated, potential side effects like heat reactions or loss of scalp fat may occur, leading to wrinkling. The major drawback, however, is the financial investment required for devices, along with the time commitment needed for multiple weekly sessions, often around 10 minutes each.
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