The best LED face masks in the UK, tested: 11 light therapy devices that are worth the hype

LED face masks have become a popular at-home beauty tool, but dermatologists caution they are not a miracle cure for deep wrinkles and require a significant financial outlay, with some models costing up to £500 [1]. The best light therapy masks can promote collagen production, improve elasticity, and help smooth skin with sustained use, according to experts interviewed by the Guardian [1]. However, Dr Barbara Kubicka, Dr Derrick Phillips, and Dr Priya Verma emphasized that these devices are most effective when paired with a consistent skincare routine [1]. Skin care, a practice at the interface of cosmetics and dermatology, involves maintaining skin health through washing, moisturizing, and sun protection [2]. The experts warned that if a basic routine is not already in place, purchasing a mask should not be the first step [1]. While the technology may seem novel, research into the efficacy of light therapy for wound healing, acne treatment, and skin rejuvenation dates back to the 1990s [1]. The decade saw significant advances in technology, including the launch of the Human Genome Project and the evolution of the Pentium microprocessor, alongside a growing consumer culture [3]. The Guardian's product reviewer, who has been using a light therapy mask for 12 months, reported that her skin is now "calmer, less prone to redness, and has a more even tone" [1]. Not all light is universally beneficial. Red and infrared light are safe for all skin types, but blue light, commonly used to target acne-causing bacteria, can worsen hyperpigmentation on darker skin tones [1]. The reviewer tested 11 devices, with only those using the brightest, flicker-free bulbs and offering a comfortable fit making the final selection [1]. The budget-friendly Silk'n LED face mask 100, for instance, uses 100 bulbs and offers four colour modes including red at 633nm and blue at 463nm, with sessions lasting 10 or 15 minutes [1]. More expensive models, such as the Shark CryoGlow, incorporate additional features like under-eye cooling and deep-infrared light at 830nm [1]. The reviewer noted the device's blemish repair mode was effective at calming spots, though the plastic build made it heavier than silicone competitors [1]. For targeted acne treatment, the Lustre ClearSkin Solo uses adhesive patches with 15 pure blue LEDs at a 415nm wavelength, a design that allows for treatment on the go [1]. The reviewer found these patches effective for minimizing breakouts on the chin, with skin healing more quickly over time [1].