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- After letting the drug soak into your skin for an hour or two, the dermatologist shines blue light onto the treated skin for about 15 minutes. The light kills the cells that absorbed the sensitizing medication. Following the treatment, the damaged skin flakes off, leaving healthier, younger-looking skin behind.
health.clevelandclinic.org/blue-light-therapy-for-the-skin-what-can-it-do
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Sep 30, 2024 · Blue light therapy is an effective acne treatment and is useful for preventing early skin cancers. Here are all the facts, and the best blue light devices.
- Associate Editor
- 2 min
- Overview
- Purpose and uses of blue light therapy
- How blue light therapy works
- How effective is blue light therapy?
- Side effects of blue light therapy
- Potential risks and complications
- Takeaway
Overview
Blue light therapy uses light to treat certain conditions on or just under the skin. It’s considered a pain-free procedure.
Blue light therapy becomes photodynamic therapy when it uses a combination of photosynthesizing (or light-sensitive) drugs and a high-intensity light source to activate them. The light used is a natural violet or blue light, and it’s considered to be an alternative treatment.
Blue light therapy can only treat areas that the light can reach. So it’s typically used to treat conditions present on, or just underneath, the surface of the skin.
Sun damage and skin cancer prevention
Blue light therapy is most commonly used to treat sun damage and premalignant or malignant skin cancer growths. It can actually be used to prevent skin cancer and remove both precancerous skin lesions and cancerous skin lesions that haven’t spread to other areas of the body (or metastasized). Photodynamic therapy can be used to treat skin cancer. It causes the photosynthesizing drug that’s been applied to the skin to react with oxygen, killing the cancer cells. It may also be used to trigger an immune system defense or damage the blood vessels feeding the cancer cells.
Acne and skincare
Blue light therapy can also treat other types of skin disorders. It can be used to improve skin texture and reduce sebaceous hyperplasia, or enlarged oil glands. It can help with removing sun spots, acne, and even scars that were originally caused by acne.
Depression
In addition to treating skin conditions and cancer, blue light therapy can also be used as a treatment for depression. It’s especially effective when treating major depressive disorder with seasonal patterns, formerly known as seasonal affective disorder (SAD). This condition is often partially caused by dreary winter weather, darker days, and spending more time indoors. It can be treated with light.
Blue light therapy treatment is usually a very quick process, and is almost always done as an outpatient procedure. The exception to this may be photodynamic therapy on high-risk areas for cancer treatment.
In office, your doctor or skin care specialist will escort you to a darkened room. If they’re using photosynthesizing drugs, they’ll apply the medication topically, directly to the area being treated.
If these drugs are being used, the medication may need to be on the skin for a couple of hours up to a couple of days, for the skin to absorb the medication. Regardless of how long it’s left on, you’ll be advised to stay out of the sunlight and other bright light, protect your skin, and stay indoors as much as possible while the medication is on.
When your doctor administers the light treatment, they’ll give you goggles to wear to protect your eyes, and then they’ll apply light to the target area.
Treatment sessions can be anywhere from 15 to 90 minutes long, depending on the area being treated, how large it is, and if a topical medication has been applied. If it’s just one small area being treated, like a single spot of skin cancer, the affected area will have blue light applied to it for about 17 minutes.
People with depression and depression with a seasonal pattern, may have their own blue light therapy devices at home, which they can use on a daily basis to resolve symptoms.
Blue light therapy is an effective treatment for skin conditions when used repeatedly and when the individual being treated makes maintenance appointments. To treat a condition, it takes:
•one to four treatments for actinic keratosis (precancerous sun spots), with annual maintenance
•four to six treatments for acne, with maintenance appointments every six months
Photodynamic therapy is more effective for treating cancerous areas, including skin cancer lesions, thanks to the photosynthesizing drugs that create a stronger reaction.
Immediately following treatment, the area may be red, swollen, tender, and mildly bruised or blistered, especially when medication has been applied to the skin. The treated area may crust over or peel, but this is considered normal. Most people heal within 7 days, and the crusting resolves within 3 to 14 days.
If light-sensitive drugs are used for photodynamic therapy, as is the case in most cases, your skin will be very sensitive to light for several weeks after the procedure. Try to avoid bright, direct sunlight, though fluorescent lights are fine. Sunscreens won’t be effective, because they protect from UV light and not photosensitivity reactions.
Blue light therapy on its own, without the photosensitivity drugs added, is safe and has very few risks. The biggest risk is for a potential skin infection if any post-treatment blisters occur and are popped or not cared for.
You shouldn’t have blue light therapy if you have a rare condition called porphyria, which is a disorder of the blood that leads to heightened light sensitivity, or if you have allergies to porphyrins. You also shouldn’t use this therapy if you have lupus.
Blue light therapy is a painless, noninvasive procedure that can be used to treat different conditions in an outpatient environment. It has limited long-term side effects, and only a few mild, immediate side effects.
When photosynthesizing drugs are added, photodynamic therapy can be an effective alternative therapy for cancer that’s found beneath the skin, too.
Jan 23, 2021 · Blue light protection skincare works by physically blocking the light and fighting off free radicals formed by blue light before they can wreak havoc on your skin (photoaging, collagen...
- Noma Nazish
LED (light-emitting diode) light therapy treats various skin conditions and concerns, such as acne, fine lines and psoriasis. It comes in different types, including red light LED therapy and blue light LED therapy, which are sometimes used in combination.
May 6, 2021 · Blue light therapy can help clear acne and treat sun damage and some kinds of skin cancer. A dermatologist explains how it works and who can benefit from feeling blue.
Jun 17, 2021 · Blue light therapy can help treat skin conditions like acne and psoriasis—plus, it can lift your mood. Here's how to make blue light work for you.
Jan 18, 2022 · Controlled use of blue light (aka blue light therapy) is actually used by dermatologists to treat acne, psoriasis, atopic dermatitis, and other skin conditions. Heiting explains it has also been used to facilitate quicker wound healing and is used in treating superficial skin cancers.
