How Blue Light Therapy Works And What It's Used For

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Your body produces its blue light, called nitric oxide, that helps regulate metabolism and blood flow. Still, its levels in your body can change depending on your sleeping patterns, stress levels, diet, exercise habits, and other factors. If your nitric oxide levels are low, you may want to consider using light therapy to help relieve fatigue, depression, and pain symptoms by increasing the amount of nitric oxide in your system. Learn more about blue light therapy here!
Preventing Skin Cancer By Reducing Sun Damage
It's commonly known that too much sun can lead to skin cancer, but most people are surprised to learn that even a minimal amount of time in the sun puts them at risk. Even if you have minimal pigmentation or are just fair-skinned, UV radiation from sunlight damages your DNA. Over time, that damage could lead to skin cancer—which is why dermatologists recommend using blue light therapy for prevention. The treatments expose targeted areas of your skin (such as your face) to high-intensity blue wavelengths between 415 and 455 nm; they also penetrate more deeply into the skin than other visible light therapies, ...
... which helps increase their effectiveness.
It Is Compatible With Most Acne Therapies
While blue light therapy is a good option for treating acne on its own, it's also a great adjunct to other acne therapies. For example, if you're struggling with preventing cystic acne from forming, blue light therapy can be used alongside prescription medications like Spironolactone or Tretinoin. In addition, if you have scarring from old breakouts or treatments that aren't clearing up despite your best efforts, try using blue light therapy along with chemical peels and other aesthetic procedures. Blue light therapy can be used at any point during your skincare routine as well as independently to help even out skin tone and give it a healthy glow that will last all day long.
It Is Safe If It Is Administered By A Qualified Practitioner
Since that definition is broad, Blue Light Therapy is considered safe if administered by a trained practitioner. Though most commonly used to treat muscle pain, it can be used for many other ailments, including asthma, arthritis, and psoriasis. Blue Light therapy is often combined with conventional treatments to minimize side effects or increase treatment efficiency. It is essential to follow the doctor's orders when using it for any treatment, as too much intensity can cause damage to your eyes. Ensure you are working with a doctor who uses blue light therapy regularly before undergoing treatments on your own. Do not administer at home without first consulting a doctor.
It Does Not Cause Scarring
Blue light causes a chemical reaction in melanin (pigment) which is also present in your nails. While it does not cause scarring, it will make fingernails or toenails temporarily turn blue (this will go away within three days). This effect is caused by oxygen radicals produced as a result of interaction with UV and visible lights. We all produce these radicals, but skin bleaching creams and other cosmetics increase that amount. It can be used on people with darker skin tones without fear of hyperpigmentation.
Neither Antibiotics Nor Any Other Type Of Drug Is Used
Unlike with most acne treatments, blue light therapy does not involve antibiotics or other drugs. Instead, it's a form of phototherapy that works by emitting blue LED (light-emitting diode) lights. Some bacteria cannot survive under its wavelength. When undergoing blue light treatment for acne, you will expose your skin to lamps that emit both UVA and UVB rays at specific points on your face where blemishes are visible.

Find more information relating to Blue light therapy, and Red light therapy at home here.