Troubleshooting I do not get the expected results with my Philips Lumea. Clinical studies with Lumea show significant hair reduction after just 4 treatments. If you’re not getting the expected result, there is probably a good reason for this: To start off: Make sure that Philips Lumea is at the right setting and suitable for you. Remove all hair by shaving before each treatment. Treatment intervals will change over time When your hair does not grow back between treatments, you can gradually extend the period between treatments. This can usually be stretched to 6–8 weeks over time. It is also important that you make sure that you do not miss any spots, as this will result in less hair loss. This video demonstrates the correct way of treating your body with Lumea.