Clinical Content Reviewed ByLast Modified: March 10, 2025

How Long Does Red Light Therapy Last?

Author
Karmen Wiid
Published
February 28, 2025

Red light therapy is great for skin, pain relief, and muscle recovery—but how long do the results actually last? 

Some benefits stick around for weeks, while others fade fast without maintenance. It all depends on what you’re treating and how often you use it. 

If you’re investing time in RLT, you want to make it count. Let’s get into what to expect and how to keep your results going strong.

Key Notes
  • Red light therapy results vary—some last days, others months with consistent use.
  • Skin benefits can last weeks to months but need maintenance sessions.
  • Pain relief effects may fade within days without ongoing treatments.
  • Hair growth requires regular sessions; stopping can reverse progress.

How Long Do the Effects of Red Light Therapy Last?

The longevity of results varies. Some benefits are short-lived, while others build up over time and last longer. 

Here’s what to expect based on different treatment goals:

Treatment Goal Short-Term Effects Long-Term Effects Maintenance Needed?

Skin Rejuvenation

Brighter skin after 1 session

Collagen boost lasts months

Yes, 1-2x per week

Pain Relief

Relief for 24-72 hours

Chronic pain relief with regular use

Yes, 2-5x per week

Wound Healing

Faster healing in days

Permanent once healed

No

Muscle Recovery

Soreness relief for days

Improved endurance over time

Yes, pre/post workouts

Hair Growth

Minimal change in early weeks

Noticeable growth after 3-6 months

Yes, 3-4x per week

1. Skin Rejuvenation & Anti-Aging

Red light therapy is popular for improving skin texture, reducing wrinkles, and stimulating collagen production. The effects can last anywhere from a few weeks to several months, depending on how consistent you are with treatments.

  • Short-term effects: After a single session, skin may appear brighter and more hydrated.
  • Long-term effects: With regular use over 8-12 weeks, collagen production increases, leading to firmer skin. If treatments stop, the skin gradually returns to its natural aging process over several months.

How to maintain results: A maintenance schedule of 1-2 sessions per week can help prolong skin improvements.

2. Pain & Inflammation Relief

Red light therapy is commonly used to reduce joint pain, muscle soreness, and chronic inflammation. Relief can be immediate after a session but may last only a few days to a week.

  • Acute pain (e.g., sore muscles, injury recovery): Results can last several days but may require repeat sessions.
  • Chronic conditions (e.g., arthritis, fibromyalgia): Regular treatments are needed for ongoing pain management. If treatments stop, symptoms may gradually return over a few weeks.

How to maintain results: People with chronic pain often use RLT 2-5 times per week for sustained relief.

3. Wound Healing & Scar Reduction

RLT can speed up wound healing by stimulating cell regeneration and increasing blood flow. The results are often long-lasting or even permanent once healing is complete.

  • Fresh wounds: Healing time is significantly reduced, with noticeable improvement after a few sessions.
  • Scars: The appearance of scars may fade over several weeks or months of consistent use. Older scars may take longer to respond.

How to maintain results: Once a wound has healed, additional treatments are not necessary. However, for scar improvement, long-term use is recommended.

4. Muscle Recovery & Performance Enhancement

Athletes and active individuals use red light therapy to recover faster from workouts and reduce soreness. The effects can last 24-72 hours after a session.

  • Single-use: Can reduce muscle fatigue and soreness for a few days.
  • Regular use: Leads to improved endurance, strength, and overall muscle recovery over time.

How to maintain results: Using RLT before and after workouts can help keep muscle fatigue low and recovery time short.

5. Hair Growth Stimulation

For people experiencing hair thinning or hair loss, red light therapy can stimulate hair follicles and promote growth. Results are gradual and can take 3-6 months to become visible.

  • Short-term: Minimal changes after the first few weeks.
  • Long-term: Continued improvements with consistent use, but stopping treatments may lead to hair returning to its previous state.

How to maintain results: Ongoing sessions 3-4 times per week are usually required to sustain hair growth.

What Affects How Long RLT Results Last?

Not everyone sees the same results, and several factors influence how long the effects last.

1. The Condition Being Treated

Short-term concerns like muscle soreness may improve quickly but fade within days, while long-term concerns like collagen production build up over weeks and last longer.

2. Treatment Consistency

Occasional use won’t deliver lasting benefits. Most improvements require multiple sessions per week for at least a few months before results stabilize.

3. Device Quality & Light Intensity

Higher-quality devices with proper wavelengths (630-850nm) and sufficient power output provide better, longer-lasting results than low-powered alternatives.

4. Overall Health & Lifestyle

Skincare, hydration, nutrition, and overall wellness can impact how well and how long red light therapy benefits last.

How to Make Red Light Therapy Results Last Longer

If you want to maximize the effects, follow these best practices:

1. Stick to a Routine

For long-term benefits, consistency matters. Follow the recommended treatment frequency for your specific concern.

2. Combine with a Good Skincare or Wellness Routine

For skin benefits, pair RLT with a hydrating moisturizer and SPF to protect collagen. For pain relief, combine it with stretching and mobility exercises.

3. Use a High-Quality Device

Not all red light therapy devices are equal. Look for one with clinically backed wavelengths and sufficient power output to penetrate deeply.

4. Maintain a Healthy Lifestyle

Good nutrition, hydration, and sleep all contribute to better cellular function, making RLT more effective and longer-lasting.

5. Don’t Stop Too Soon

The most noticeable improvements happen with consistent use over time. Stopping too early may cause results to fade faster.

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Frequently Asked Questions 

Can red light therapy be overused?

Yes, excessive use can lead to diminishing returns. Stick to recommended session times for best results.

Does red light therapy work better at a certain age?

Younger skin may see faster results, but RLT benefits all ages by stimulating cell function.

Can red light therapy replace other skincare treatments?

It complements skincare routines but doesn’t replace essentials like sunscreen, moisturizers, or exfoliation.

Does red light therapy help with dark circles under the eyes?

Yes, it boosts circulation and collagen, which can reduce puffiness and improve skin tone.

Will I lose my results if I take a break from treatments?

Some benefits fade over time, but restarting treatments can help regain lost progress.

Conclusion

Red light therapy delivers real results, but how long they last depends on consistency, treatment type, and overall skincare or wellness habits. 

Some benefits, like pain relief, may only last a few days, while skin improvements and collagen production can stick around for months with regular use. The key is maintaining a routine to keep your results going.

Want an easy way to keep up with treatments at home? The Lumi Visage 7-Color LED Face Mask offers powerful red light therapy in a convenient, hands-free design. 

Keep your skin firm, smooth, and glowing—get yours today and start seeing the difference.