Understanding the Light Spectrum and its Benefits


Did you know light can offer many benefits for different ailments and conditions? This guide will walk you through understanding the light spectrum, its benefits, and various types of light therapy products that can make every day easier.

Understanding the light spectrum and its benefits

What is Full Spectrum Light?

Light spectrum (also known as electromagnetic spectrum) is a term used to describe the range of light that exists. There is visible light, which humans can see. However, most of the light in the universe is invisible to us. Light is energy and comes in many different wavelengths, known as the lightwave spectrum.

Light is measured in nanometers (nm). Each nanometer represents a wavelength of light or band of light energy. Visible light is part of the spectrum from 380nm to 780nm.

It is worth mentioning that visible light is not the only type of electromagnetic spectrum. It is the one form the eye can perceive. Infrared, UV-Light, X-Rays, Gamma Rays, and Cosmic Rays are also part of the electromagnetic waves spectrum.

Electromagnetic Spectrum diagram

What are the Colors of the Visible Light SpectruM?

Have you ever heard the term "Roy G. Biv." to describe the colors of the rainbow? Red, Orange, Yellow, Green, Blue, Indigo, and Violet are the colors visible to us. This is referred to as visible spectrum light or light color spectrum. The light spectrum chart below references the wavelength each visible color produces. Although these colors are visible, the spectrum is continuous. There are no clear boundaries between one color and the next.

Colors of the visible light spectrum

How Light Can Help

Light, whether it be natural or artificial, provides many health benefits. There are a variety of different light therapies that can assist in treating many various ailments.

For example, natural sunlight has been proven to boost immunity levels, improve overall wellness, and boost vitamin d levels.

On the other hand, bright light therapy has been proven to treat Seasonal Affective Disorder (SAD) and winter blues. See our Bright Light Therapy Guide here.

The 2021 Ultimate Guide to Bright Light Therapy

Learn More About Bright Light Therapy

Our ultimate guide to bright light therapy covers everything you need to know about this type of treatment including:

The health benefits of light
Red light therapy for wrinkle reduction and acne treatment

Enhanced Skin Health

Low-Level Light Therapy (also known as LLLT) is a fast-growing technology used to treat many conditions, especially for the skin. It has been studied that LLLT assists the skin by increasing collagen production and providing skin rejuvenation. LLLT has also been used for acne, wrinkle reduction, vitiligo, scarring, burns, psoriasis, and many other skin conditions.

Red light therapy for pain relief

pain Relief

LLLT (also known as LED light therapy) can also be used for health conditions not related to the skin, such as muscle/joint pain, stiffness, aches, injuries, and bruising, and many more.

What if you can't get sunlight: Exercise

Comparing Each Type of Light

Blue light therapy, amber light therapy, and multi-spectrum light therapy have been mainly targeted to treat skin conditions pertaining to acne, wrinkles, scarring, blemishes and can even provide benefits to skin conditions such as rosacea. See our acne and wrinkle reduction light therapy products here.

Red and Infrared light therapy can provide benefits against various health conditions and have been studied and medically proven to treat them. Although infrared light is invisible to the naked eye, the light penetrates deep within the skin as your body reacts to the heat. The heat does not burn or hurt the skin and is UV-free. This type of light therapy has been studied to treat dementia, dental pain, hair loss, arthritis, tendinitis, and many other health ailments. See our selection of red and infrared pain relief products here.

Ultimately, infrared and red light therapy benefits are used to accelerate healing, provide pain relief, and reduce inflammation. If you are thinking about trying any light therapy products, we recommend always speaking to your physician before trying any new therapy treatment.

How Light Can Help

There are many things to consider when purchasing a low-level light therapy product. The list below is three recommendations to consider.

Medically proven and clinically tested

Medically/Clinically Proven

Choosing a product that is medically or clinically proven to treat any condition is essential. Look for products that have had thorough research and testing. Looking for FDA-Cleared devices will provide peace of mind that the product's effectiveness and safety are in good standing.

Treatment Options

Many different LLLT treat different health conditions. It is vital to research understanding all the benefits for the specific light and treatment options. In some instances, some products can provide more than one benefit, such as a combination of acne treatment and wrinkle reduction.

Checklist of features and benefits


It is crucial to understand how light therapy products work and the feature and benefits they provide. Some key benefits to look out for could be treatment times, portability of the product, any added accessories. Reading customer reviews of their personal experience may assure the effectiveness of the product.

There are many options to consider when shopping for light therapy products. Investing in yourself is the first step to a better road to happy, healthy living!

About the Author

Bianca Araujo-Mendez is the Director of Brand & Shopper Marketing at Compass Health Brands. She enjoys all things marketing and appreciates knowing the lives of others are enriched when using products from Compass Health Brands.

About Carex Health Brands

Carex is your one-stop shop for home medical equipment and for products that assist caregivers with providing the best possible support and care for their loved ones. Carex Health Brands has been the branded leader in in-home, self-care medical products for over 35 years. Our goal is to improve the lives of our customers by bring them quality products that bring dignity back to their lives. With our three nationally distributed brands, Carex Health Brands serves national, regional and independent food, drug and mass retailers along with wholesalers, distributors and medical dealers.

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