New Delhi, June 13 -- Be it an illness, stress or genes, the causes of hair loss are many. If you are a believer of home remedies, you may try onion oil or rosemary oil for hair growth. But if you want to use technology to tackle hair loss, there might be a solution. You can give red light therapy for hair growth a shot just like American tech entrepreneur Bryan Johnson. Just a few months ago, Johnson, known for his anti-ageing efforts, shared that this non-invasive treatment was part of his hair restoration journey. Should you also use red light therapy for hair growth?

What Bryan Johnson says about his hair loss journey

Bryan Johnson, 47, is known to share health hacks and products he uses to increase longevity. On his hair loss journ...