15+ Pros And Cons of Blue Light Therapy

Blue light therapy is a popular treatment method that utilizes specific wavelengths of light to address various health concerns.

While it offers benefits like improved skin conditions and mood regulation, there are also potential drawbacks to consider. there are also potential drawbacks to consider, making it crucial to weigh the pros and cons of this therapy.

Blue Light Therapy Pros And Cons

Blue light therapy helps treat acne-prone skin.Blue light therapy contains damaging effects.
Blue light therapy helps treat damaged skin.Blue light therapy is expensive. 
Blue light therapy helps treat jaundice in babies.Blue light therapy is not available everywhere. 
Blue light therapy helps with depression.Blue light therapy is still not known by a lot of people.
Blue light therapy helps with fatigue.Blue light therapy is not advised for newborn babies.
Blue light therapy acts as an antibacterial treatment.Blue light therapy can cause retinal damage.
Blue light therapy helps with enhancing metabolism.Blue light therapy might cause temporary pigmentation.
Blue light therapy helps improve alertnessBlue light therapy might cause headaches in a few people. 

What Is Blue Light Therapy?

Blue light therapy is a therapeutic procedure that uses precise wavelengths of blue light to treat various health ailments.

It entails exposing the skin or specific areas to blue light, often delivered by specialized equipment or light-emitting diodes (LEDs).

This therapy is often used to treat acne, promote wound healing, manage seasonal affective disorder (SAD), and regulate sleep patterns.

Blue light penetrates the skin and impacts cells, eliciting biological responses that can be therapeutic. It is a non-invasive and growingly popular method of improving one’s health and well-being.

type of blue light therapy

Advantages Of Blue Light Therapy

Blue Light Therapy is one of the most happening treatments in today’s era, and the benefits are word-for-word commendable; if you are wondering how? Then check out the list of privileges below.

For acne-prone skin

Acne is the enemy of every youth today; no one readily accepts it, whether a girl or a boy. And people try a lot of treatments to get rid of that nasty pimple.

Blue light treatment has your back if you are one of those young adults. This treatment helps treat your acne-prone skin and gives you the skin you always wanted.

For damaged skin

Skin easily gets damaged due to extreme screen light, sunlight, or pollution, leading to acne, pigmentation, and dry skin.

Who would like to continue with such skin? No one would, right? For such folks, blue light therapy is a savior. This treatment helps treat damaged skin and gives you a well-nourished skin texture that everyone looks for.

For jaundice 

Most newborn babies encounter jaundice, and therapy comes into the picture to overcome blue light. It helps eliminate bilirubin, which causes jaundice in newborn babies and helps them heal entirely without causing huge complications.

For depression

Blue light therapy is not only the best option for physical health but equally serves the needful towards mental health as it includes antidepressant properties which help manage depression and anxiety, which many people face due to social pressure.

For fatigue

Do you also feel drowsy all day long? Do you feel tired all day and every day for no reason at all? Then this might be a serious issue that has to be addressed as soon as you notice.

Sleep is essential for humans, and if you don’t, that might cause hardships in the future. But need not worry when blue light therapy is here to fix it. It helps with fatigue and sleeplessness.

For antibacterial treatment

Blue light therapy contains a light that helps damage all the bacteria on the skin and body, leading to harmful skin and other diseases. Bacteria are vulnerable to light, so this is one of the finest solutions to eliminate those nasty bacteria.

For enhancing metabolism

Do you lack metabolism even after trying different diet plans and workout plans? Then do not worry about that, as blue light therapy is here for you. This treatment helps enhance the metabolism level with just its light which produces energy. Is that not amazing? Yes, right!

For alertness

If you are thinking about working on your memory and mental health, you read the right post. Blue light therapy does help with your alertness by enhancing it and improving your memory power. This is a fact, and several studies proved that it does the job with mental health.

These were a list of advantages one can achieve by undergoing red light therapy. Blue Light Therapy indeed does an impeccable job of resolving different hardships.

Benefits Of Blue Light Therapy

  • 1 Acne treatment: Blue light therapy targets and kills germs that cause acne outbreaks, lowering inflammation and improving skin condition overall.
  • 2 Wound healing: Blue light therapy promotes faster wound and skin injury healing by promoting collagen formation and increasing blood circulation.
  • 3 Seasonal Affective Disorder (SAD): By resetting the body’s internal clock and increasing mood, blue light treatment helps alleviate symptoms of SAD, a type of depression related to seasonal variations.
  • 4 Sleep regulation: Blue light treatment can assist in regulating sleep patterns by decreasing the production of melatonin, a sleep hormone, hence improving sleep quality and alleviating insomnia.
  • 5 Eczema relief: Blue light treatment has shown potential in alleviating the symptoms of eczema, a disorder that causes dry, itchy, and inflamed skin, as well as improving skin health.
  • 6 Jaundice treatment in newborns: Blue light medicine treats neonatal jaundice by breaking down bilirubin, a chemical responsible for skin and eye yellowing, hence preventing problems.
  • 7 Psoriasis treatment: Blue light therapy reduces the symptoms and severity of psoriasis, a chronic skin disorder characterized by red, itchy patches.

Disadvantages Of Blue Light Therapy

Although Blue Light Therapy has numerous benefits, it still carries certain complications; if you look forward to discerning them, read a list for more information.

Contains damaging effects

Although blue light therapy does a great job, it can still damage your skin or body if the treatment is not handled correctly. Or if an expert does not do the treatment, then there are chances that it can adversely affect your skin and body.


Red light therapy is not for everyone, as it cannot be afforded. Red light therapy is undoubtedly a promising treatment; however, it is expensive, on the other hand, which does not allow everyone to try their hands at this therapy.

Lack of availability

Blue light therapy is not available in all regions and is available mainly in metropolitan cities. This can be a problem for those who want to undergo the treatment, as traveling and waiting for long hours is a hassle. 

Lack of awareness

A lot of people are still not aware that there is something called blue light therapy, though it is the most happening treatment. Lack of awareness is a problem; it would be great if people knew it. 

Not for newborn babies

Newborn babies are sensitive and way more sensitive and vulnerable to such lights. Blue light therapy helps resolve some issues; it can also carry some side effects as well. However, better options in the medical field can be opted for. Hence this treatment is not for newborn babies.

Causes retinal damage

Yes, blue light therapy can cause retinal damage, as already discussed. A few body parts are vulnerable to light, and so is the retinal part. However, this should not be a problem if treated with preventive measures.

Causes temporary pigmentation

Although blue light therapy helps treat pigmentation, it can still cause temporary pigmentation, which is generally mild, and one can get rid of it quickly.  

Cause headaches

Just like red light therapy, blue light therapy also causes headaches in a few people, which is addressed as the most common side effect for those who undergo this treatment for fatigue.

Although blue light therapy has numerous benefits, on the other hand, it also holds a few complications too, as mentioned above.

All in all, blue light therapy is the most happening treatment with a bundle of advantages and a few disadvantages, which can be curbed when everything is done precisely with zero negligence. Subsequently, it is up to people to make choices at the end of the day, as other treatments are on the market.

Side Effects of Blue Light Therapy

  • 1 Skin irritation: Temporary redness, swelling, or irritation in the treated area.
  • 2 Dryness or peeling: Possible dryness or peeling of the skin.
  • 3 Eye strain or discomfort: Risk of eye strain or pain during therapy.
  • 4 Sensitivity to light: Increased sensitivity to sunlight or artificial light sources.
  • 5 Discoloration or hyperpigmentation: Rare cases of temporary skin discoloration or hyperpigmentation.
  • 6 Photosensitivity reactions: Potential rash or sunburn-like reaction to light.


In conclusion, blue light therapy has significant advantages as a non-invasive treatment for various health disorders.

It has been demonstrated to be beneficial in treating acne, increasing wound healing, managing seasonal affective disorder (SAD), regulating sleep patterns, and treating skin disorders like psoriasis and eczema.

Blue light treatment is a diverse method with demonstrated outcomes in various domains. However, it is critical to be aware of potential side effects such as skin irritation, dryness, eye strain, light sensitivity, and rare incidences of discoloration or photosensitivity reactions.

Consultation with a healthcare practitioner is required to determine individual suitability and ensure safe and effective usage of blue light treatment.

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Frequently Asked Questions (FAQs)

Is it possible to use blue light treatment at home?

Some blue light treatment gadgets are intended for use at home. To ensure safe and effective use, however, following instructions and seeking advice from a healthcare expert is critical.

Is there any long-term harm to using blue light therapy?

There are very few long-term dangers connected with Blue Light Therapy. However, continuous or severe blue light exposure may negatively affect the eyes.

It is critical to follow prescribed recommendations, uses protective eyewear if necessary, and seek the advice of a healthcare expert if you have any concerns.

Can blue light therapy be used in conjunction with other treatments?

Depending on the illness and the recommendation of a healthcare practitioner, blue light therapy can be supplemented with other treatments.

Combination medicines may improve efficacy or address the ailment’s distinct components.

blue light therapy pros cons

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