Which LED facemask is best – the one that costs £750 or the one that is £75: Read our long-term test By Alice Robertson For You Magazine Published: 12:01, 25 May 2024 | Updated: 12:48, 25 May 2024 e-mail View comments In the 1990s, Nasa discovered, by accident, that the light-emitting diode (LED) technology their astronauts were using to grow vegetables in space also slowed down the ageing of skin, muscle and joints. Fast-forward to today and the benefits of LED are being sold to us via face masks, and many aesthetic clinics now offer LED therapy as a treatment. At-home face masks are particularly popular – Cult Beauty reports that sales of its bestselling Dr Dennis Gross one (see below) are up 65 per cent year on year.
But can they really deliver? According to aesthetics doctor Ifeoma Ejikeme, founder of London ’s Adonia Medical Clinic, studies consistently demonstrate LED’s ability to stimulate collagen, accelerate wound healing and improve skin texture and tone. The masks’ light wavelengths are measured in nanometers (nm) and Dr Ejikeme adds, ‘The efficacy of these, usually 630nm to 850nm, is well established in both clinical and at-home settings.’ The latest glow-to is a spinoff from space scienc While there are masks that tout the advantages of different coloured light, the effectiveness of blue, red, and near-infrared is most proven (with blue light being shown in clinical trials to reduce acne lesions by targeting the bacteria responsible, as well as ea.