If you have never heard of red light therapy before, here is the simplest way to understand it: specific wavelengths of light penetrate your skin and stimulate your cells to heal, reduce inflammation, and perform better. That is it. No chemicals, no needles, no downtime. Just light doing what light does when it is applied with the right frequency and intention.
Red light therapy has become one of the most talked-about non-invasive wellness tools available today, and for good reason. People are using it for everything from chronic pain and skin concerns to post-workout recovery and general wellbeing. This guide breaks down exactly what it is, how it works, what a session feels like, and who it is best suited for.
What Is Red Light Therapy?
Red light therapy (also known as low-level laser therapy or photobiomodulation) uses specific wavelengths of red and near-infrared light, typically in the range of 630 to 850 nanometers, to interact with your body at a cellular level. These wavelengths are absorbed by the mitochondria, the energy-producing centers of your cells. When the mitochondria absorb this light energy, they produce more adenosine triphosphate (ATP), which is essentially the fuel your cells need to repair, regenerate, and function optimally.
The science behind this is well-documented. A 2013 review published in the journal Photomedicine and Laser Surgery found that low-level light therapy had consistent evidence supporting its use for tissue repair, pain relief, and inflammation reduction.
Unlike UV light, which can damage skin cells and increase the risk of burns, red and near-infrared wavelengths are biocompatible. They work with your body, not against it.
Why Radiance Infrared Sauna & Salt Lounge Offers Red Light Therapy
We were intentional about what therapies we brought into our space. Red light therapy met every criteria we were looking for: it is proven, non-invasive, and genuinely supports the areas our clients care most about: recovery, skin health, and overall wellness.
It also complements our existing services beautifully. Many clients pair red light therapy with infrared sauna sessions to create a more complete recovery and wellness experience. The two modalities work in a complementary way, with the sauna promoting deep sweat and detoxification while the red light supports cellular repair and skin renewal.
What Happens During a Red Light Therapy Session
The Session Experience
A red light therapy session is straightforward and relaxing from start to finish. Here is what you can expect:
- You arrive and get settled comfortably under the light panel.
- The session runs for 20 to 30 minutes, depending on your goals.
- Most people feel a gentle warmth and a sense of deep relaxation throughout.
- There is no sweating, no intensity, and no discomfort.
- When the session ends, you are done. No recovery time needed, no post-treatment restrictions.
It is one of the most accessible therapies we offer. You can come in on a lunch break, after a workout, or as part of a longer wellness visit. The ease of the experience is one of the reasons clients keep coming back.
What You Actually Feel
The most common sensation is gentle warmth and deep relaxation. It is not intense or overwhelming. Many clients describe it as lying in soft, warm sunlight without any of the UV exposure risk. The experience is calm, and many people find it meditative.
Common Questions People Have Before Their First Session
First-timers often come in with the same set of questions. Here are the ones we hear most often, answered directly.
Is Red Light Therapy Safe?
Yes. Red light therapy uses non-ionizing light, meaning it does not damage DNA or carry the risks associated with UV exposure. It has been studied extensively and is considered safe for most people. That said, anyone with specific medical conditions should consult their doctor before beginning sessions.
Will the Light Make My Skin Darker or Cause Burns?
No. Red and near-infrared wavelengths do not cause tanning or burns. They operate in a completely different spectrum from UV light, which is responsible for both. You will not leave a session looking or feeling sun-exposed.
Does It Actually Work?
This is the most important question, and the answer is yes. The research base for red light therapy has grown significantly over the past two decades. Clients who use it consistently report real, noticeable changes. That consistency in usage is the key factor.
The Most Common Reasons People Come In for Red Light Therapy
People come to us for red light therapy with a wide range of goals. The five most common are:
- Skin health: improving tone, texture, and reducing signs of aging.
- Pain relief: targeting chronic pain, joint discomfort, and general aches.
- Inflammation reduction: supporting the body in calming systemic or localized inflammation.
- Muscle recovery: speeding up recovery after training or physical activity.
- Anti-aging: supporting collagen production and cellular renewal.
These are not niche applications. They reflect the core reasons red light therapy has moved from research settings into mainstream wellness spaces.
Results by Goal: What to Expect and When
One of the most common questions clients have is how soon they will see results. The honest answer is that it depends on what you are working on and how consistently you show up. Here is a general breakdown:
| Goal | Sessions Per Week | When to Expect Results | Session Length |
| Skin health / anti-aging | 2-3x | 2-4 weeks | 20-30 minutes |
| Pain relief / inflammation | 2-3x | 1-2 weeks | 20-30 minutes |
| Muscle recovery | 2-3x | After first few sessions | 20-30 minutes |
| General wellness | 2-3x | 2-4 weeks | 20-30 minutes |
These timelines are based on consistent usage of 2 to 3 sessions per week. Irregular scheduling will extend the time it takes to see meaningful changes.
What Clients Notice After Regular Sessions
After a few weeks of consistent sessions, here is what clients most often report back to us:
- Improved skin appearance: clearer tone, smoother texture, and a visible reduction in fine lines.
- Less pain or stiffness: particularly in areas of chronic discomfort or post-exercise soreness.
- Faster muscle recovery: returning to training sooner and feeling less depleted after sessions.
- An overall sense of feeling better: a general lift in energy and wellbeing that is hard to attribute to any single thing.
Some clients notice shifts within the first few sessions. For most, the consistent results build over a couple of weeks when they are coming in 2 to 3 times per week.
“I started doing red light therapy because of soreness in my lower back that developed years after a lumbar fusion surgery. My doctor told me that scar tissue surrounding the surgery site was causing inflammation, resulting in stiffness and soreness. My first session was great, but not until I completed my 4th did I begin to feel longer lasting relief. The best thing about it, red light therapy has relieved me of constantly taking ibuprofen for pain and inflammation.”
— William N.
“Adding red light therapy to my routine has been a game-changer for my skin. The light quality is excellent, and I notice my skin looking firmer and more lifted after each session. It leaves my complexion looking brighter and my skin feeling tighter.”
— Emily L.
How Often Should You Come In?
We recommend 2 to 3 sessions per week. This frequency gives your body enough light exposure to trigger meaningful cellular responses, while also giving it time to integrate and respond between sessions.
Consistency is the single most important variable. Red light therapy is not a one-time fix. Think of it the way you would think about exercise: one session is better than nothing, but a regular practice is what produces lasting results.
How to Prepare and What to Do After
Preparation is minimal. The two things that matter most are:
- Hydrate before your session. Well-hydrated cells respond better to light therapy.
- Be consistent. Show up regularly and give the therapy the time it needs to work.
After a session, there are no restrictions. You can return to your day immediately. There is nothing to apply, remove, or recover from. That simplicity is part of what makes this therapy so easy to build into a regular wellness routine.
Who Is Red Light Therapy Best Suited For?
Red light therapy is a strong fit for most people. If any of the following describe you, it is worth exploring:
- You are focused on improving skin health, reducing fine lines, or evening skin tone.
- You deal with chronic pain, joint discomfort, or muscle soreness.
- You train regularly and want to support faster recovery.
- You are looking for a non-invasive, low-effort wellness addition to your routine.
- You want to complement existing therapies like infrared sauna.
Who should approach it with more caution: anyone with a diagnosed medical condition affecting light sensitivity, those who are pregnant, or people on medications that increase photosensitivity should speak with their doctor before starting. Red light therapy is safe for the vast majority of people, but individual health situations vary and a medical professional is always the right first call when there is any uncertainty.
Frequently Asked Questions About Red Light Therapy
Is red light therapy safe for all skin types?
Yes. Red light therapy uses non-UV wavelengths that do not cause burning, tanning, or skin damage. It is suitable for all skin tones and types. The light works beneath the surface at a cellular level rather than affecting the outer layer of skin the way UV exposure does. If you have a specific skin condition or are on medication that affects skin sensitivity, check with your doctor before starting.
Can I combine red light therapy with infrared sauna?
Absolutely. Many of our clients at Radiance Infrared Sauna & Salt Lounge do both in the same visit. The infrared sauna supports deep sweat, circulation, and detoxification, while red light therapy focuses on cellular repair and skin health. The two therapies work well together and can make each session more comprehensive for your recovery and wellness goals.
How many sessions until I see results?
Some clients notice changes within their first few sessions, particularly around relaxation, skin glow, and reduced muscle soreness. For most people, more consistent results appear after two to three weeks of coming in 2 to 3 times per week. The timeline varies depending on what you are working on and how consistently you show up.
What should I wear during a session?
Wear whatever you are comfortable in. Because red light therapy works by penetrating the skin, exposing more skin to the light allows for greater coverage. Many clients wear minimal clothing or a swimsuit. Our team will help you get set up comfortably before your session begins.
Is there anyone who should avoid red light therapy?
Red light therapy is well-tolerated by most people. Those who should consult a doctor first include anyone who is pregnant, people with light-sensitive medical conditions, or individuals on medications that increase photosensitivity. If you are unsure whether it is appropriate for your situation, your healthcare provider is the right starting point.
Do I need to do anything after a session?
Nothing is required after a session. There is no downtime, no products to apply, and no restrictions on your activities. You can go straight back to your day. Staying hydrated after your session is always a good idea, and maintaining consistency with your schedule is the most impactful thing you can do to support your results.
Ready to Experience It?
Red light therapy works by delivering specific wavelengths of light that your cells know how to use. The result is better recovery, reduced inflammation, improved skin, and a body that is functioning closer to its potential. It is not complicated, and it does not require much from you beyond showing up consistently and staying hydrated.
Sessions are 20 to 30 minutes, the experience is calm and comfortable, and the results build over time when you commit to regular use. It pairs naturally with infrared sauna, and it works just as well as a standalone addition to any wellness routine.
At Radiance Infrared Sauna & Salt Lounge, we are here to help you figure out what works best for your body and your goals. If you are curious about red light therapy, come in and experience a session for yourself. That is where the real conversation starts.
Radiance Infrared Sauna & Salt Lounge4512 Atlantic Ave, Long Beach, CA 90807