side effects of led light therapy

What Are The Side Effects Of LED Light Therapy?

LED light therapy, specifically red light therapy, has become popular for various skin conditions. However, it is essential to consider the potential negative side effects and health risks associated with this type of therapy. 

While LED light therapy is generally safe, there are still some possible adverse effects that individuals may experience, such as increased inflammation, rash, redness, and pain.

Besides, red light therapy risks, green light therapy, laser therapy, celluma light therapy, and infrared therapy may also have negative side effects that individuals should be aware of. 

Since there is limited information regarding the long-term safety of LED light therapy, it is advisable to seek guidance from a dermatologist to determine if this treatment suits your skin concern.


  • LED light therapy may have potential negative side effects and risks.
  • After treatment, some individuals may experience increased inflammation, rash, redness, or pain.
  • Limited information is available regarding the long-term safety of LED light therapy.

11 Potential Risks and Side Effects of LED Light Therapy

1. Eye Protection:

Eye protection is an important consideration when undergoing LED light therapy. The potential negatives of LED light therapy include the risk of eye damage from prolonged exposure to bright light. 

The intense LED light emitted during the treatment can potentially harm the eyes, leading to conditions such as eye strain, dryness, or even damage to the retina. To mitigate these risks, it is crucial to use protective goggles that can block out harmful light during the treatment. 

2. Skin Sensitivity:

Some individuals may experience skin sensitivity or irritation as a side effect of LED Light Therapy. This can include redness, itching, or dryness. It’s crucial to start with shorter sessions and gradually increase the treatment time to minimize skin reactions.

3. Photosensitivity:

LED Light Therapy may increase skin’s sensitivity to sunlight, making it more susceptible to sunburn. Applying sunscreen and avoiding direct sun exposure immediately after a treatment session is advisable.

4. Not Suitable for Everyone:

LED Light Therapy may not be suitable for individuals with certain medical conditions or skin conditions. It’s essential to consult with a healthcare professional or dermatologist before starting LED Light Therapy, especially if you have a history of skin cancer, or epilepsy, or are taking photosensitizing medications.

5. Results Require Consistency:

To achieve and maintain the desired results, LED Light Therapy typically requires consistent use over an extended period. Individuals looking for quick, one-time solutions may find the treatment regimen demanding.

6. Expense:

High-quality LED Light Therapy devices can be relatively expensive for home use. Additionally, the cost can add up over time if you choose to have treatments at a professional clinic.

7. Limited Depth of Penetration:

LED Light Therapy primarily affects the superficial layers of the skin. It may not be as effective for treating conditions that require light to penetrate deeper tissues, such as severe muscle or joint pain.

Also like to read: Does At-Home LED Light Therapy Work?

8. Results May Vary:

The effectiveness of LED Light Therapy can vary from person to person. While many individuals experience positive results, some may see insignificant improvements for specific conditions.

9. Maintenance Required:

Maintenance sessions may be necessary to sustain the benefits of LED Light Therapy. This can translate into ongoing time and financial commitments.

10. Potential for Overuse:

Another negative aspect of LED light therapy is the potential for overuse. While the therapy is generally safe when used as directed, excessive use may lead to burning or drying out of the skin. 

Some individuals may be tempted to use LED light therapy too frequently in an effort to achieve faster results, but this can actually cause more harm than good. It is important to follow the recommended guidelines for the frequency and duration of LED light therapy sessions to avoid the risk of skin damage.

11. Device Quality Matters:

LED Light Therapy’s effectiveness and safety depend on the device’s quality. Low-quality or poorly calibrated devices may not deliver the desired results and pose risks.

Types of LED Light Therapy

LED light therapy comes in a variety of types, each with its own unique benefits.

Blue light therapy

Blue light is most commonly used for acne treatment. It works by killing the bacteria that cause acne and reducing inflammation.

Red light therapy

Red light is used for anti-aging purposes. It stimulates collagen production, which can help to reduce the appearance of fine lines and wrinkles.

Related: 6 Benefits of Red LED Light Therapy For Skin

Yellow light therapy

Yellow light therapy is a combination of red and blue light. It has been shown to be effective in treating acne, reducing inflammation, and improving skin tone.

Related: 7 Benefits of Yellow LED Light Therapy For Skin

Near-infrared light therapy 

Near-infrared light penetrates the skin deeper than other wavelengths of light. It has been shown to be effective for wound healing, pain relief, and hair growth.

Get the Best LED Light Therapy in Toronto and Nearby Areas at Venice Cosmetic Clinic

Now that you’re aware of the incredible benefits of LED Light Therapy, you might be wondering where you can experience this innovative treatment in Toronto. Look no further than Venice Cosmetic Clinic, your premier destination for LED Light Therapy in Toronto and nearby areas.

At Venice Cosmetic Clinic, we offer state-of-the-art LED Light Therapy treatments administered by experienced professionals who are dedicated to helping you achieve your skincare and wellness goals. Our clinic has the latest technology to ensure you receive the best possible care.

We are among the best and most affordable facial beauticians in Toronto, Richmond Hill, Vaughan, Brampton, and surrounding cities. We provide the highest quality of care. Our continuously growing reviews are the perfect reflection of your work. We, Venice Cosmetic, also offer multiple services like: 

Side Effects of LED Light Therapy FAQs:

Are there any cons to red light therapy?

Yes, there are a few potential cons to red light therapy. While it is generally considered safe, some individuals may experience mild side effects such as temporary redness, dryness, or irritation of the skin. It is important to use red light therapy devices as directed and avoid overexposure to prevent any adverse reactions.

Can you overdo LED light therapy?

Yes, it is possible to overdo LED light therapy. While LED light therapy is generally safe, excessive or prolonged exposure to the light can cause adverse effects on the skin. These effects may include increased inflammation, redness, or irritation.

Does LED light therapy work for wrinkles?

Yes, LED light therapy has shown potential in reducing the appearance of wrinkles. Red light therapy, in particular, has been found to stimulate collagen production in the skin, which can help improve the elasticity and firmness of the skin, thus reducing the appearance of wrinkles.


Overall, the negatives of LED light therapy are relatively minor and unlikely to occur if the device is used correctly. However, knowing the potential risks before using LED light therapy is important.

It is important to talk to your doctor before trying LED light therapy, especially if you have any underlying health conditions or are taking any medications.

Send Us an Inquiry

    Find Us on Map

    Post a comment

    venice cosmetic clinic

    3530 Rutherford Road, Unit 77
    Vaughan, ON, Canada, L4H 3T8

    Follow Us