At-home LED masks offer radiant and smooth skin from the comfort of your own home, but can these high-tech devices truly deliver on their bold claims, or are they just another beauty fad?
The realm of skincare has witnessed an unprecedented surge in the popularity of at-home beauty gadgets, particularly those harnessing the power of light-emitting diodes (LEDs). No longer confined to spas or clinics, professional-grade treatments have officially made themselves at home.
The science behind LED masks is rooted in the principles of photobiomodulation, a process that uses the power of light to stimulate cellular activity and promote healing and rejuvenation. When the skin is exposed to specific wavelengths of light, it triggers a series of biological reactions that can improve various skin conditions.
LED therapy was initially developed by NASA scientists in the early 1990s. Originally used for plant growth experiments in space, this technology was later adapted to promote wound healing in astronauts. The therapeutic benefits of LED light, which can penetrate deep into body tissue to promote collagen synthesis and tissue growth, soon caught the attention of the medical and cosmetics industries – and, lucky for us, have now evolved to include effective at-home LED masks.
LED masks are simple to use and easy to incorporate into your skincare and self-care rituals. Regular use (10- to 30-minute sessions three to five times a week) can lead to a more even skin tone, diminished lines and wrinkles, reduced pore size, and an overall brighter complexion.
How LED masks work
The effectiveness of LED therapy is backed by numerous studies that demonstrate LEDs’ ability to influence cellular behaviour. When exposed to specific wavelengths of light, skin cells absorb the energy and undergo various cellular processes, such as increased circulation and enhanced tissue repair.
Photobiomodulation is the primary mechanism by which LED light affects skin cells. When specific wavelengths of light are absorbed by chromophores (light-sensitive molecules) within the skin, it triggers a series of biochemical reactions.
LED therapy influences mitochondrial activation. Red and near-infrared lights are absorbed by the mitochondria, the powerhouse of the cell. This absorption increases the production of ATP (adenosine triphosphate), enhancing the cell’s ability to repair and regenerate.
As well, LED light therapy can reduce the production of pro-inflammatory cytokines, which are responsible for inflammatory responses in the skin. This can assist in improving conditions such as acne and rosacea.
At-home LED masks use different wavelengths of light to target specific skin concerns. The two most common types of light used are red, blue and near-infrared.
Red light, known for its anti-ageing benefits, penetrates deeper into the skin to help boost collagen production, reduce inflammation and improve the appearance of fine lines and wrinkles. Studies have shown that red light therapy can significantly improve skin texture, reduce the depth of wrinkles and increase collagen density.
Typically used to treat acne, blue light targets bacteria that contribute to acne formation, helping to reduce breakouts and prevent future ones. A study in the Journal of Clinical and Aesthetic Dermatology reported that daily self-applied blue light therapy led to significant reductions in total acne lesions — including comedones (blackheads and whiteheads) and inflammatory papules – with notable improvements in lesion counts by four weeks of treatment, and further reductions at eight weeks compared with baseline.
Near-infrared light has been shown to accelerate wound healing and reduce scarring by promoting tissue repair and reducing inflammation.
Red light (620-750 nm)
Penetration depth: Red light penetrates deep into the dermis, the layer of skin beneath the epidermis.
Benefits: Stimulates collagen and elastin production, reduces inflammation and improves circulation. These effects collectively help to reduce fine lines, wrinkles and promote overall skin rejuvenation.
Mechanism: Red light boosts mitochondrial function in cells, leading to increased ATP (adenosine triphosphate) production. ATP is essential for cellular repair and regeneration, making it crucial for maintaining healthy skin.
Blue light (450-495 nm)
Penetration depth: Blue light primarily affects the outermost layer of the skin, the epidermis.
Benefits: Effective in treating acne by targeting and killing acne-causing bacteria (Propionibacterium acnes).
Mechanism: Blue light induces the production of reactive oxygen species within the bacteria, leading to bacterial cell death without harming surrounding skin tissues.
Near-infrared light (700-1200 nm)
Penetration depth: Reaches deeper into the skin than red and blue light, affecting the dermis and subcutaneous layers.
Benefits: Reduces inflammation, promotes wound healing and can even alleviate pain.
Mechanism: Similar to red light, near- infrared light enhances cellular energy production and blood flow, aiding in tissue repair and reducing inflammation.
At-home vs in-clinic led therapy
At-home LED masks are designed to bring the benefits of professional treatments to the comfort of your home. These devices are generally less powerful than professional-grade devices.
Professional devices typically have higher irradiance and energy output, allowing for more intense and quicker results. They are also often used in conjunction with other treatments, such as peels, laser therapy or microneedling, to enhance overall results.
However, at-home LED devices come with their own set of advantages:
- Convenience and consistency: A quick session with your LED mask on can be easily incorporated into your regular skincare routine without the need to schedule and attend appointments. Importantly, the convenience of at-home treatment lends itself to consistent use, which is key to achieving best-possible results.
- Cost-effective: Though the initial investment can be hefty (ranging from a few hundred to a couple of thousand dollars), it is more affordable in the long run compared with regular in-office treatments.
At-home LED masks are generally considered safe for most skin types. However, it’s important to use TGA-registered devices and follow the manufacturer’s instructions to avoid potential side effects such as eye strain or skin irritation.
When all is said and done, the science behind LED masks is robust and backed by decades of research and clinical studies. Whether you’re looking to reduce acne, combat signs of ageing or simply improve your skin’s overall appearance, LED masks can be a valuable addition to your skincare routine, supported by solid scientific principles.
Spotlight on:
CurrentBody LED face mask
At-home LED masks have become the staple device for many big names in Hollywood and global beauty tech expert, CurrentBody, is leading the charge as the cult beauty favourite with its LED Light Therapy Mask.
Big names using the popular mask, especially before red-carpet events, include Kim Kardashian, Suki Waterhouse, Kate Hudson, Serena Williams, Halle Berry, Lily Collins and Gal Gadot.
According to the company, when used 10 minutes a day, three to five times a week, for four weeks, 95 percent of users report improved skin tone, texture and firmness. The device helps to rejuvenate tired complexions with two clinically proven LED wavelengths, where red light and near-infrared waves work together to help reduce inflammation, even skin tone and reduce fine lines and wrinkles. The red light helps accelerate new collagen production while near-infrared works simultaneously to increase blood circulation and bring oxygen to cells.
