At-home skincare technology keeps growing. LED (light emitting diode) skin therapy has become a go to for brighter, younger looking skin. Influencers, celebrities and even your colleagues seem to swear by these futuristic looking gadgets. So what are LED face masks, and do they actually work? In this article we look at the science behind them, how the wavelengths work and how to fit a mask into your routine.
What is LED Skin Therapy?
LED skin therapy, also called light emitting diode therapy or phototherapy, is a non-invasive treatment that uses no chemicals or abrasion. Instead, it uses different wavelengths of light, mainly red and blue, to address different skin concerns. The light energy works by prompting the skin’s own healing processes.
The therapeutic use of light goes back centuries. However, NASA cemented the use of specific wavelengths for skin in the 1980s, using LED light to speed up healing of astronauts’ wounds. Research since then has produced a range of devices that apply LED therapy to many skin concerns.
How Does LED Therapy Work & What is it Used For?
LED light penetrates the skin to different depths and triggers different biological reactions. These specific wavelengths stimulate cellular activity. That includes more collagen and elastin, the proteins behind the skin’s strength and elasticity. Because of this, LED therapy is versatile and tackles several concerns at once. Its main uses include:
- Wrinkles and fine lines
- Acne and blemishes
- Sun damage
- Uneven skin tone and hyperpigmentation
- Inflammation and redness
- Texture and scarring
- Wound healing
How Long Does it Take to See Results?
The time it takes to see visible results varies. It depends on your skin concern, your individual response, the wavelength used and how often you treat. Here is a general guide to what to expect:
- Immediate: Some people notice a subtle change after the first session, with plumper, more radiant, better hydrated skin. This comes mainly from increased circulation and oxygenation.
- Short term: After a few weeks of regular use, early results can appear. These include less inflammation, fewer active spots and a brighter complexion, often within the first 4 to 6 weeks.
- Long term: More significant change takes several months, since skin turnover alone takes 6 to 8 weeks. Wrinkles, texture, pigmentation and tightening all need patience. Red light, for instance, may improve wrinkles and elasticity after 8 to 10 weeks of consistent use.
- Maintenance: Once you reach your goal, lighter ongoing use keeps results, often once a week or less. This depends on your original concern and the rest of your routine.
Everyone’s skin is unique, so response and results vary from person to person. LED therapy also works best alongside a consistent skincare routine, which we cover below. Certain professional treatments and a healthy lifestyle can enhance results too.
What are LED Face Masks?
LED masks, or light therapy face masks, use different wavelengths of LED light to target specific skin concerns. They often look a little strange, yet they sit comfortably on the face whilst delivering the therapy. Most masks work and you use them in much the same way. The main difference between them is the light they emit. Primarily, LED masks produce a few colours, and each one addresses a distinct need:
- Blue light: Targets acne causing bacteria and helps regulate oil, which makes it useful for oily and acne prone skin. It can reduce active breakouts, though it may not suit darker skin tones, and prolonged exposure may harm skin.
- Red light: Stimulates collagen production and blood vessel activity. This helps firm skin, support healing and soften fine lines and wrinkles, which makes it the go to wavelength for ageing.
- Yellow or amber light: Soothes the skin, reduces redness and supports lymphatic flow. This helps with puffiness, flushing, sensitive skin and rosacea.
- Green light: Helps fade hyperpigmentation, reduces redness and calms irritation, so people often use it for dark spots and discolouration.
- Purple light: Combines red and blue wavelengths, which lets it target acne and ageing at the same time.
- White or infrared light: Penetrates deepest of all. It can reduce inflammation, improve elasticity and add a tightening effect, so it suits laxity and inflammation.
- Orange light: Brightens a tired or dull complexion for a fresher look.
Blue and red light are the most common wavelengths in standard masks. More advanced devices add others like green, yellow, amber, purple, orange or white. When choosing, think about your skin concerns and goals, then check that the device carries the wavelength that suits you.
What Does the Evidence Say About LED Face Masks?
LED masks appeal because they are non-invasive and you can use them at home. Brands often promote them as a way to get the benefits of professional treatments like lasers, chemical peels or microneedling. The pitch is results without the cost or downtime. The mechanism behind them is a process called photobiomodulation. In plain terms, certain wavelengths can stimulate, heal and protect tissue. When they penetrate the skin, they activate cellular processes that speed healing, boost collagen or kill bacteria.
Most studies to date support the claimed effects. Here is a concise overview of the research:
- Collagen and ageing: Studies consistently show that red light LED therapy promotes collagen and elastin. There is broad agreement that it can reduce some visible signs of skin ageing such as wrinkles and fine lines.
- Acne: Research documents blue light’s acne fighting effects, with strong evidence that it targets the bacteria behind acne.
- Hyperpigmentation and tone: Some studies suggest green LED light holds promise for melasma and post inflammatory hyperpigmentation.
- Inflammation: Researchers have widely studied red and near infrared light, which appear helpful across a range of inflammatory skin conditions.
- Wound healing: A large body of data supports the wound healing effects of red light, which can also reduce scar prominence.
Individual results still vary, and at-home masks may be less potent than the professional grade devices used in clinics. It is wise to use them with guidance from a skincare professional, and to keep realistic expectations.
Are LED Face Masks Safe?
A major appeal of LED skin therapy is its safety profile. It uses no UV light, so there is no risk of UV damage and no downtime afterwards. For most people, a mask from a reputable brand is safe. Some people do get minor reactions like redness or a rash, especially with overuse. Skin can also become more sensitive to light, so it is sensible to be extra careful with sun protection. Always follow your skincare provider’s advice or the manufacturer’s instructions to get the best results and avoid side effects.
How Do You Choose the Right LED Mask?
There are a huge number of masks to choose from, which can make the decision daunting. No single device stands out above the rest, simply because so many good ones exist. The key is to identify your main skin concern and the wavelength that best targets it. Blue light suits acne, and red light suits age related concerns. A multi wavelength device helps if you have more than one issue.
It is also worth choosing an FDA approved device. You do not need to spend a fortune, since FDA approved masks share similar safety and effectiveness. A mask is easier to use consistently than a handheld wand, which matters because regular use drives results.
How Do You Use an LED Face Mask?
Most masks are simple to use. Check that the device is on the right setting and fully charged if it is wireless. Read the manufacturer’s instructions too. If you use prescription skincare, ask your doctor how to fit a mask into your routine. As a general rule, this is the most common approach:
- Cleanse your face thoroughly, or better still, double cleanse.
- Put on the mask and check it sits comfortably.
- Switch it on and relax. Most sessions last 10 to 30 minutes.
- Follow up with your usual skincare routine.
Using your mask on roughly the same days and times each week helps build a consistent routine. For most concerns and wavelengths, aim for 3 to 5 sessions a week. When treating hyperpigmentation with green light, 4 to 6 times a week works better.
What Skincare Works Well with LED Masks?
A few additions to your routine can boost the results of an LED mask:
- Exfoliation: Regular use of an exfoliating acid can improve light penetration and make a mask more effective. It also helps with acne, texture and uneven tone.
- Retinoids: Retinol or tretinoin treat acne, hyperpigmentation and ageing, and they pair well with LED therapy. Apply them at least 20 to 30 minutes after your mask to avoid irritation.
- Antioxidants: Vitamin C boosts the brightening and anti-ageing effects, so it works best in your morning routine.
- Moisturisers: A rich moisturiser at the end of your routine locks in water, supports the skin barrier and reduces irritation.
Beyond skincare, a few in-clinic procedures can complement LED therapy. These include microneedling, Ultherapy, chemical peels and injectable skin boosters like Profhilo. A clinic carries these out in person, not through an online service like ours, so a qualified provider there would assess whether they suit you. Microneedling and peels can also help with scarring and texture. Acne prone skin sometimes benefits from laser treatments or peels too.
LED skin therapy is a promising advance in skincare. It offers a non-invasive option for several concerns, with years of research behind it. There is no silver bullet in beauty, though, so the results come with patience and consistent use. You will get the most from a mask by using it within a wider routine built around your skin goals. Choosing a device that matches your needs helps too. If you have a skin condition or need guidance, check with a dermatologist before adding anything new.
At City Skin Clinic, we are obsessed with personalised skincare. Through our online clinic, our doctors create bespoke prescription-strength treatments using ingredients like tretinoin and hydroquinone where appropriate. We treat concerns including acne, hyperpigmentation, melasma and skin ageing. To start your personalised plan, book a video consultation or use our online consultation form. The journey towards great skin and hair starts here.
This article is intended for general informational purposes only and is not a substitute for medical advice, diagnosis or treatment. Always consult a qualified medical provider for any medical concerns or questions you might have.
