Blue Light Therapy vs. Red Light Therapy: Uses, Benefits, and Which is Right for You

Alison Pedler
4 minute read

Light therapy, also known as phototherapy, includes both blue light therapy and red light therapy, which use waves of light to treat various skin conditions such as acne and wrinkles. Light therapy can also be used to treat a variety of other conditions, including seasonal affective disorder (SAD), sleep disorders, teeth whitening, and depression.

Both blue and red light have unique properties that make them useful for different medical conditions.

 

Blue Light Therapy

Blue light therapy, also known as blue wavelength therapy, is primarily used to treat skin conditions such as acne. Blue light has been found to be particularly effective in killing the bacteria that cause acne, called Propionibacterium acnes (P. acnes). This can help to reduce the number of acne lesions and improve the overall appearance of the skin. Blue light therapy can also be used to reduce the inflammation and redness associated with acne.

Blue light therapy for sleep is based on the idea that light can regulate the body's circadian rhythm, which is the internal clock that controls when we feel awake and when we feel sleepy.

Exposure to blue light during the day can help to reset the body's circadian rhythm, making it easier to fall asleep at night. This is because blue light has been found to suppress the production of melatonin, a hormone that regulates sleep. By suppressing the production of melatonin during the day, the body's internal clock can be reset, making it easier to fall asleep at night. It can be used to treat a variety of sleep disorders, including insomnia, jet lag, and shift work sleep disorder by being exposed to bright blue light, usually from a light box, in the morning. 

Blue light therapy is used in conjunction with teeth whitening gels or other products to enhance the whitening process. The blue light activates the peroxide present in the gel to accelerate the breaking down of the stains on the teeth.

The results of blue light teeth whitening can vary from person to person. Factors such as the severity of the stains, the type of whitening gel used, and the length of treatment will impact the final outcome. Additionally, keep in mind that teeth whitening is not permanent and the teeth may return to their original color over time, and regular maintenance may be needed.

 

Red Light Therapy

Red light therapy is a form of light therapy that uses specific wavelengths of red light to improve various medical conditions. It is primarily used to treat skin conditions such as wrinkles, fine lines, and sun damage. It can also be used to treat a variety of other conditions, including pain, muscle tissue damage, wound healing, and hair loss.

One of the main uses of red light therapy is for skin rejuvenation. The red light stimulates collagen production in the skin, which can help to reduce the appearance of wrinkles and fine lines and improve the overall texture and tone of the skin. It can also help to reduce the appearance of sun damage, age spots, and other pigmentation issues.

Red light therapy is also used to improve pain and muscle tissue damage. It has been found to be effective in reducing pain associated with conditions such as arthritis, fibromyalgia, and carpal tunnel syndrome and can also help to speed up the healing of muscle tissue damage, such as strains and sprains.

Red light therapy for hair loss has been found to increase the production of collagen, elastin, and keratin, all of which are essential for healthy hair growth. The increased blood flow to the scalp also helps to nourish the hair follicles and promote healthier hair. 

Red light therapy success for hair loss can vary from person to person. Factors such as the cause and stage of hair loss, and the frequency of treatment will impact the final outcome. Additionally, hair loss can have multiple causes, such as hormonal imbalances, genetics, stress, or certain medical conditions and red light therapy may not be effective in all cases.

 

Not all conditions can be treated with light therapy. Please consult with a medical professional to determine if light therapy is the right treatment for your condition. Additionally, it is also important to use light therapy devices that are FDA approved and to follow the instructions provided with the device.

 

This article is meant to be informational and should not be treated as medical advice. You should always consult with your physician for any personal concerns or when feeling ill and before starting any new supplements.

 

Want to know everything going on in natural health and beauty? Sign up for BVU's newsletter. You can also follow along on Instagram and Facebook.

« Back to Blog