Intense Pulsed Light is a technology that has been in use since 1996 for hair removal. Over time, no serious side effects or damage from long-term use have been reported. Philips Lumea has been developed in conjunction with leading dermatologists and tested with over 2000 women. It fulfills all the safety regulations for home-use appliances. As with any skincare product, it is important to use the appliance in accordance with the user manual.